Home / 75,029.28-112,385.16-48,655.68

Finding the Fourth Proportional to 75,029.28, 112,385.16 and 48,655.68

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Solution

The fourth proportional to 75,029.28, 112,385.16 and 48,655.68 is: 72,880.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,029.28 : 112,385.16 = 48,655.68 : x
  2. Step 2: Convert to fraction form
    75,029.28/112,385.16 = 48,655.68/x
  3. Step 3: Cross multiply
    75,029.28x = 112,385.16 × 48,655.68
  4. Step 4: Simplify right side
    75,029.28x = 5,468,176,381.71
  5. Step 5: Solve for x
    x = 5,468,176,381.71/75,029.28
  6. Step 6: Final answer
    x = 72,880.57

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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.