Home / 70,720.64-97,595.17-38,889.75

Finding the Fourth Proportional to 70,720.64, 97,595.17 and 38,889.75

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Solution

The fourth proportional to 70,720.64, 97,595.17 and 38,889.75 is: 53,668.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,720.64 : 97,595.17 = 38,889.75 : x
  2. Step 2: Convert to fraction form
    70,720.64/97,595.17 = 38,889.75/x
  3. Step 3: Cross multiply
    70,720.64x = 97,595.17 × 38,889.75
  4. Step 4: Simplify right side
    70,720.64x = 3,795,451,665.28
  5. Step 5: Solve for x
    x = 3,795,451,665.28/70,720.64
  6. Step 6: Final answer
    x = 53,668.24

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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.