Home / 75,106.76-103,617.78-52,439.72

Finding the Fourth Proportional to 75,106.76, 103,617.78 and 52,439.72

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Solution

The fourth proportional to 75,106.76, 103,617.78 and 52,439.72 is: 72,346.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,106.76 : 103,617.78 = 52,439.72 : x
  2. Step 2: Convert to fraction form
    75,106.76/103,617.78 = 52,439.72/x
  3. Step 3: Cross multiply
    75,106.76x = 103,617.78 × 52,439.72
  4. Step 4: Simplify right side
    75,106.76x = 5,433,687,370.22
  5. Step 5: Solve for x
    x = 5,433,687,370.22/75,106.76
  6. Step 6: Final answer
    x = 72,346.18

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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.