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Finding the Fourth Proportional to 61,773.64, 85,252.91 and 34,920.92

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Solution

The fourth proportional to 61,773.64, 85,252.91 and 34,920.92 is: 48,193.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,773.64 : 85,252.91 = 34,920.92 : x
  2. Step 2: Convert to fraction form
    61,773.64/85,252.91 = 34,920.92/x
  3. Step 3: Cross multiply
    61,773.64x = 85,252.91 × 34,920.92
  4. Step 4: Simplify right side
    61,773.64x = 2,977,110,088.40
  5. Step 5: Solve for x
    x = 2,977,110,088.40/61,773.64
  6. Step 6: Final answer
    x = 48,193.86

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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.