Home / 47,985.28-66,231.56-32,697.12

Finding the Fourth Proportional to 47,985.28, 66,231.56 and 32,697.12

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Solution

The fourth proportional to 47,985.28, 66,231.56 and 32,697.12 is: 45,130.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,985.28 : 66,231.56 = 32,697.12 : x
  2. Step 2: Convert to fraction form
    47,985.28/66,231.56 = 32,697.12/x
  3. Step 3: Cross multiply
    47,985.28x = 66,231.56 × 32,697.12
  4. Step 4: Simplify right side
    47,985.28x = 2,165,581,265.11
  5. Step 5: Solve for x
    x = 2,165,581,265.11/47,985.28
  6. Step 6: Final answer
    x = 45,130.12

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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.