Home / 96,689.16-133,428.97-53,666.15

Finding the Fourth Proportional to 96,689.16, 133,428.97 and 53,666.15

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Solution

The fourth proportional to 96,689.16, 133,428.97 and 53,666.15 is: 74,058.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,689.16 : 133,428.97 = 53,666.15 : x
  2. Step 2: Convert to fraction form
    96,689.16/133,428.97 = 53,666.15/x
  3. Step 3: Cross multiply
    96,689.16x = 133,428.97 × 53,666.15
  4. Step 4: Simplify right side
    96,689.16x = 7,160,618,518.30
  5. Step 5: Solve for x
    x = 7,160,618,518.30/96,689.16
  6. Step 6: Final answer
    x = 74,058.13

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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.