Home / 111,398.46-153,727.77-62,999.55

Finding the Fourth Proportional to 111,398.46, 153,727.77 and 62,999.55

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Solution

The fourth proportional to 111,398.46, 153,727.77 and 62,999.55 is: 86,938.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,398.46 : 153,727.77 = 62,999.55 : x
  2. Step 2: Convert to fraction form
    111,398.46/153,727.77 = 62,999.55/x
  3. Step 3: Cross multiply
    111,398.46x = 153,727.77 × 62,999.55
  4. Step 4: Simplify right side
    111,398.46x = 9,684,780,332.50
  5. Step 5: Solve for x
    x = 9,684,780,332.50/111,398.46
  6. Step 6: Final answer
    x = 86,938.19

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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.