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Finding the Fourth Proportional to 60,702.74, 83,775.90 and 35,216.90

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Solution

The fourth proportional to 60,702.74, 83,775.90 and 35,216.90 is: 48,602.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,702.74 : 83,775.90 = 35,216.90 : x
  2. Step 2: Convert to fraction form
    60,702.74/83,775.90 = 35,216.90/x
  3. Step 3: Cross multiply
    60,702.74x = 83,775.90 × 35,216.90
  4. Step 4: Simplify right side
    60,702.74x = 2,950,327,073.83
  5. Step 5: Solve for x
    x = 2,950,327,073.83/60,702.74
  6. Step 6: Final answer
    x = 48,602.87

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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.