Home / 71,342.17-107,118.05-70,082.21

Finding the Fourth Proportional to 71,342.17, 107,118.05 and 70,082.21

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Solution

The fourth proportional to 71,342.17, 107,118.05 and 70,082.21 is: 105,226.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,342.17 : 107,118.05 = 70,082.21 : x
  2. Step 2: Convert to fraction form
    71,342.17/107,118.05 = 70,082.21/x
  3. Step 3: Cross multiply
    71,342.17x = 107,118.05 × 70,082.21
  4. Step 4: Simplify right side
    71,342.17x = 7,507,069,592.27
  5. Step 5: Solve for x
    x = 7,507,069,592.27/71,342.17
  6. Step 6: Final answer
    x = 105,226.26

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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.