Home / 75,443.76-113,165.64-40,335.12

Finding the Fourth Proportional to 75,443.76, 113,165.64 and 40,335.12

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Solution

The fourth proportional to 75,443.76, 113,165.64 and 40,335.12 is: 60,502.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,443.76 : 113,165.64 = 40,335.12 : x
  2. Step 2: Convert to fraction form
    75,443.76/113,165.64 = 40,335.12/x
  3. Step 3: Cross multiply
    75,443.76x = 113,165.64 × 40,335.12
  4. Step 4: Simplify right side
    75,443.76x = 4,564,549,669.28
  5. Step 5: Solve for x
    x = 4,564,549,669.28/75,443.76
  6. Step 6: Final answer
    x = 60,502.68

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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.