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Finding the Fourth Proportional to 70,320.46, 97,042.08 and 38,489.08

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Solution

The fourth proportional to 70,320.46, 97,042.08 and 38,489.08 is: 53,114.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,320.46 : 97,042.08 = 38,489.08 : x
  2. Step 2: Convert to fraction form
    70,320.46/97,042.08 = 38,489.08/x
  3. Step 3: Cross multiply
    70,320.46x = 97,042.08 × 38,489.08
  4. Step 4: Simplify right side
    70,320.46x = 3,735,060,430.65
  5. Step 5: Solve for x
    x = 3,735,060,430.65/70,320.46
  6. Step 6: Final answer
    x = 53,114.84

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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.