Home / 111,365.03-153,681.85-62,966.15

Finding the Fourth Proportional to 111,365.03, 153,681.85 and 62,966.15

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Solution

The fourth proportional to 111,365.03, 153,681.85 and 62,966.15 is: 86,892.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,365.03 : 153,681.85 = 62,966.15 : x
  2. Step 2: Convert to fraction form
    111,365.03/153,681.85 = 62,966.15/x
  3. Step 3: Cross multiply
    111,365.03x = 153,681.85 × 62,966.15
  4. Step 4: Simplify right side
    111,365.03x = 9,676,753,493.55
  5. Step 5: Solve for x
    x = 9,676,753,493.55/111,365.03
  6. Step 6: Final answer
    x = 86,892.21

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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.