Home / 60,660.39-83,666.79-40,205.46

Finding the Fourth Proportional to 60,660.39, 83,666.79 and 40,205.46

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Solution

The fourth proportional to 60,660.39, 83,666.79 and 40,205.46 is: 55,454.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,660.39 : 83,666.79 = 40,205.46 : x
  2. Step 2: Convert to fraction form
    60,660.39/83,666.79 = 40,205.46/x
  3. Step 3: Cross multiply
    60,660.39x = 83,666.79 × 40,205.46
  4. Step 4: Simplify right side
    60,660.39x = 3,363,862,092.42
  5. Step 5: Solve for x
    x = 3,363,862,092.42/60,660.39
  6. Step 6: Final answer
    x = 55,454.01

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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.