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Finding the Fourth Proportional to 65,000.90, 97,436.55 and 29,879.30

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Solution

The fourth proportional to 65,000.90, 97,436.55 and 29,879.30 is: 44,789.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,000.90 : 97,436.55 = 29,879.30 : x
  2. Step 2: Convert to fraction form
    65,000.90/97,436.55 = 29,879.30/x
  3. Step 3: Cross multiply
    65,000.90x = 97,436.55 × 29,879.30
  4. Step 4: Simplify right side
    65,000.90x = 2,911,335,908.42
  5. Step 5: Solve for x
    x = 2,911,335,908.42/65,000.90
  6. Step 6: Final answer
    x = 44,789.16

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1.5x scale

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.