Home / 96,689.32-133,429.19-53,666.30

Finding the Fourth Proportional to 96,689.32, 133,429.19 and 53,666.30

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Solution

The fourth proportional to 96,689.32, 133,429.19 and 53,666.30 is: 74,058.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,689.32 : 133,429.19 = 53,666.30 : x
  2. Step 2: Convert to fraction form
    96,689.32/133,429.19 = 53,666.30/x
  3. Step 3: Cross multiply
    96,689.32x = 133,429.19 × 53,666.30
  4. Step 4: Simplify right side
    96,689.32x = 7,160,651,407.04
  5. Step 5: Solve for x
    x = 7,160,651,407.04/96,689.32
  6. Step 6: Final answer
    x = 74,058.35

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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.