Home / 62,278.90-86,110.77-54,405.70

Finding the Fourth Proportional to 62,278.90, 86,110.77 and 54,405.70

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Solution

The fourth proportional to 62,278.90, 86,110.77 and 54,405.70 is: 75,224.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,278.90 : 86,110.77 = 54,405.70 : x
  2. Step 2: Convert to fraction form
    62,278.90/86,110.77 = 54,405.70/x
  3. Step 3: Cross multiply
    62,278.90x = 86,110.77 × 54,405.70
  4. Step 4: Simplify right side
    62,278.90x = 4,684,916,719.39
  5. Step 5: Solve for x
    x = 4,684,916,719.39/62,278.90
  6. Step 6: Final answer
    x = 75,224.78

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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.