Home / 67,139.48-92,602.14-64,161.56

Finding the Fourth Proportional to 67,139.48, 92,602.14 and 64,161.56

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Solution

The fourth proportional to 67,139.48, 92,602.14 and 64,161.56 is: 88,494.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,139.48 : 92,602.14 = 64,161.56 : x
  2. Step 2: Convert to fraction form
    67,139.48/92,602.14 = 64,161.56/x
  3. Step 3: Cross multiply
    67,139.48x = 92,602.14 × 64,161.56
  4. Step 4: Simplify right side
    67,139.48x = 5,941,497,761.74
  5. Step 5: Solve for x
    x = 5,941,497,761.74/67,139.48
  6. Step 6: Final answer
    x = 88,494.84

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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.