Home / 99,317.16-137,060.39-53,998.19

Finding the Fourth Proportional to 99,317.16, 137,060.39 and 53,998.19

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Solution

The fourth proportional to 99,317.16, 137,060.39 and 53,998.19 is: 74,518.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,317.16 : 137,060.39 = 53,998.19 : x
  2. Step 2: Convert to fraction form
    99,317.16/137,060.39 = 53,998.19/x
  3. Step 3: Cross multiply
    99,317.16x = 137,060.39 × 53,998.19
  4. Step 4: Simplify right side
    99,317.16x = 7,401,012,944.36
  5. Step 5: Solve for x
    x = 7,401,012,944.36/99,317.16
  6. Step 6: Final answer
    x = 74,518.97

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.