Home / 123,562.16-170,516.40-66,973.04

Finding the Fourth Proportional to 123,562.16, 170,516.40 and 66,973.04

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Solution

The fourth proportional to 123,562.16, 170,516.40 and 66,973.04 is: 92,423.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,562.16 : 170,516.40 = 66,973.04 : x
  2. Step 2: Convert to fraction form
    123,562.16/170,516.40 = 66,973.04/x
  3. Step 3: Cross multiply
    123,562.16x = 170,516.40 × 66,973.04
  4. Step 4: Simplify right side
    123,562.16x = 11,420,001,677.86
  5. Step 5: Solve for x
    x = 11,420,001,677.86/123,562.16
  6. Step 6: Final answer
    x = 92,423.13

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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.