Home / 99,597.36-137,383.92-59,284.20

Finding the Fourth Proportional to 99,597.36, 137,383.92 and 59,284.20

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Solution

The fourth proportional to 99,597.36, 137,383.92 and 59,284.20 is: 81,776.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,597.36 : 137,383.92 = 59,284.20 : x
  2. Step 2: Convert to fraction form
    99,597.36/137,383.92 = 59,284.20/x
  3. Step 3: Cross multiply
    99,597.36x = 137,383.92 × 59,284.20
  4. Step 4: Simplify right side
    99,597.36x = 8,144,695,790.06
  5. Step 5: Solve for x
    x = 8,144,695,790.06/99,597.36
  6. Step 6: Final answer
    x = 81,776.22

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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.