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Finding the Fourth Proportional to 75,103.24, 103,632.24 and 44,882.20

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Solution

The fourth proportional to 75,103.24, 103,632.24 and 44,882.20 is: 61,931.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,103.24 : 103,632.24 = 44,882.20 : x
  2. Step 2: Convert to fraction form
    75,103.24/103,632.24 = 44,882.20/x
  3. Step 3: Cross multiply
    75,103.24x = 103,632.24 × 44,882.20
  4. Step 4: Simplify right side
    75,103.24x = 4,651,242,922.13
  5. Step 5: Solve for x
    x = 4,651,242,922.13/75,103.24
  6. Step 6: Final answer
    x = 61,931.32

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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.