Home / 75,104.76-103,615.02-52,437.72

Finding the Fourth Proportional to 75,104.76, 103,615.02 and 52,437.72

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Solution

The fourth proportional to 75,104.76, 103,615.02 and 52,437.72 is: 72,343.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,104.76 : 103,615.02 = 52,437.72 : x
  2. Step 2: Convert to fraction form
    75,104.76/103,615.02 = 52,437.72/x
  3. Step 3: Cross multiply
    75,104.76x = 103,615.02 × 52,437.72
  4. Step 4: Simplify right side
    75,104.76x = 5,433,335,406.55
  5. Step 5: Solve for x
    x = 5,433,335,406.55/75,104.76
  6. Step 6: Final answer
    x = 72,343.42

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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.