Home / 65,966.40-99,007.20-52,785.60

Finding the Fourth Proportional to 65,966.40, 99,007.20 and 52,785.60

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Solution

The fourth proportional to 65,966.40, 99,007.20 and 52,785.60 is: 79,224.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,966.40 : 99,007.20 = 52,785.60 : x
  2. Step 2: Convert to fraction form
    65,966.40/99,007.20 = 52,785.60/x
  3. Step 3: Cross multiply
    65,966.40x = 99,007.20 × 52,785.60
  4. Step 4: Simplify right side
    65,966.40x = 5,226,154,456.32
  5. Step 5: Solve for x
    x = 5,226,154,456.32/65,966.40
  6. Step 6: Final answer
    x = 79,224.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.