Home / 67,389.60-100,646.70-63,365.52

Finding the Fourth Proportional to 67,389.60, 100,646.70 and 63,365.52

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Solution

The fourth proportional to 67,389.60, 100,646.70 and 63,365.52 is: 94,636.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,389.60 : 100,646.70 = 63,365.52 : x
  2. Step 2: Convert to fraction form
    67,389.60/100,646.70 = 63,365.52/x
  3. Step 3: Cross multiply
    67,389.60x = 100,646.70 × 63,365.52
  4. Step 4: Simplify right side
    67,389.60x = 6,377,530,481.78
  5. Step 5: Solve for x
    x = 6,377,530,481.78/67,389.60
  6. Step 6: Final answer
    x = 94,636.72

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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.