Home / 67,279.79-100,316.39-64,848.68

Finding the Fourth Proportional to 67,279.79, 100,316.39 and 64,848.68

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Solution

The fourth proportional to 67,279.79, 100,316.39 and 64,848.68 is: 96,691.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,279.79 : 100,316.39 = 64,848.68 : x
  2. Step 2: Convert to fraction form
    67,279.79/100,316.39 = 64,848.68/x
  3. Step 3: Cross multiply
    67,279.79x = 100,316.39 × 64,848.68
  4. Step 4: Simplify right side
    67,279.79x = 6,505,385,134.40
  5. Step 5: Solve for x
    x = 6,505,385,134.40/67,279.79
  6. Step 6: Final answer
    x = 96,691.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.