Home / 67,138.48-92,600.76-64,160.56

Finding the Fourth Proportional to 67,138.48, 92,600.76 and 64,160.56

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Solution

The fourth proportional to 67,138.48, 92,600.76 and 64,160.56 is: 88,493.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,138.48 : 92,600.76 = 64,160.56 : x
  2. Step 2: Convert to fraction form
    67,138.48/92,600.76 = 64,160.56/x
  3. Step 3: Cross multiply
    67,138.48x = 92,600.76 × 64,160.56
  4. Step 4: Simplify right side
    67,138.48x = 5,941,316,618.03
  5. Step 5: Solve for x
    x = 5,941,316,618.03/67,138.48
  6. Step 6: Final answer
    x = 88,493.46

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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.