Home / 99,317.04-137,060.21-53,998.07

Finding the Fourth Proportional to 99,317.04, 137,060.21 and 53,998.07

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Solution

The fourth proportional to 99,317.04, 137,060.21 and 53,998.07 is: 74,518.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,317.04 : 137,060.21 = 53,998.07 : x
  2. Step 2: Convert to fraction form
    99,317.04/137,060.21 = 53,998.07/x
  3. Step 3: Cross multiply
    99,317.04x = 137,060.21 × 53,998.07
  4. Step 4: Simplify right side
    99,317.04x = 7,400,986,813.79
  5. Step 5: Solve for x
    x = 7,400,986,813.79/99,317.04
  6. Step 6: Final answer
    x = 74,518.80

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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.