Home / 64,101.73-88,436.85-40,219.69

Finding the Fourth Proportional to 64,101.73, 88,436.85 and 40,219.69

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Solution

The fourth proportional to 64,101.73, 88,436.85 and 40,219.69 is: 55,488.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,101.73 : 88,436.85 = 40,219.69 : x
  2. Step 2: Convert to fraction form
    64,101.73/88,436.85 = 40,219.69/x
  3. Step 3: Cross multiply
    64,101.73x = 88,436.85 × 40,219.69
  4. Step 4: Simplify right side
    64,101.73x = 3,556,902,691.58
  5. Step 5: Solve for x
    x = 3,556,902,691.58/64,101.73
  6. Step 6: Final answer
    x = 55,488.40

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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.