Home / 90,017.29-124,220.05-51,773.95

Finding the Fourth Proportional to 90,017.29, 124,220.05 and 51,773.95

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Solution

The fourth proportional to 90,017.29, 124,220.05 and 51,773.95 is: 71,445.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,017.29 : 124,220.05 = 51,773.95 : x
  2. Step 2: Convert to fraction form
    90,017.29/124,220.05 = 51,773.95/x
  3. Step 3: Cross multiply
    90,017.29x = 124,220.05 × 51,773.95
  4. Step 4: Simplify right side
    90,017.29x = 6,431,362,657.70
  5. Step 5: Solve for x
    x = 6,431,362,657.70/90,017.29
  6. Step 6: Final answer
    x = 71,445.86

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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.