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Finding the Fourth Proportional to 61,688.84, 92,452.64 and 44,649.10

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Solution

The fourth proportional to 61,688.84, 92,452.64 and 44,649.10 is: 66,915.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,688.84 : 92,452.64 = 44,649.10 : x
  2. Step 2: Convert to fraction form
    61,688.84/92,452.64 = 44,649.10/x
  3. Step 3: Cross multiply
    61,688.84x = 92,452.64 × 44,649.10
  4. Step 4: Simplify right side
    61,688.84x = 4,127,926,945.38
  5. Step 5: Solve for x
    x = 4,127,926,945.38/61,688.84
  6. Step 6: Final answer
    x = 66,915.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.