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Finding the Fourth Proportional to 70,693.17, 97,551 and 40,471.26

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Solution

The fourth proportional to 70,693.17, 97,551 and 40,471.26 is: 55,847.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,693.17 : 97,551 = 40,471.26 : x
  2. Step 2: Convert to fraction form
    70,693.17/97,551 = 40,471.26/x
  3. Step 3: Cross multiply
    70,693.17x = 97,551 × 40,471.26
  4. Step 4: Simplify right side
    70,693.17x = 3,948,011,884.26
  5. Step 5: Solve for x
    x = 3,948,011,884.26/70,693.17
  6. Step 6: Final answer
    x = 55,847.15

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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.