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Finding the Fourth Proportional to 65,438.48, 98,110.04 and 29,880.60

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Solution

The fourth proportional to 65,438.48, 98,110.04 and 29,880.60 is: 44,799.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,438.48 : 98,110.04 = 29,880.60 : x
  2. Step 2: Convert to fraction form
    65,438.48/98,110.04 = 29,880.60/x
  3. Step 3: Cross multiply
    65,438.48x = 98,110.04 × 29,880.60
  4. Step 4: Simplify right side
    65,438.48x = 2,931,586,343.91
  5. Step 5: Solve for x
    x = 2,931,586,343.91/65,438.48
  6. Step 6: Final answer
    x = 44,799.12

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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.