Home / 70,346.13-97,080.11-38,515.29

Finding the Fourth Proportional to 70,346.13, 97,080.11 and 38,515.29

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Solution

The fourth proportional to 70,346.13, 97,080.11 and 38,515.29 is: 53,152.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,346.13 : 97,080.11 = 38,515.29 : x
  2. Step 2: Convert to fraction form
    70,346.13/97,080.11 = 38,515.29/x
  3. Step 3: Cross multiply
    70,346.13x = 97,080.11 × 38,515.29
  4. Step 4: Simplify right side
    70,346.13x = 3,739,068,589.88
  5. Step 5: Solve for x
    x = 3,739,068,589.88/70,346.13
  6. Step 6: Final answer
    x = 53,152.44

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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.