Home / 96,660.64-133,382.72-54,210.96

Finding the Fourth Proportional to 96,660.64, 133,382.72 and 54,210.96

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Solution

The fourth proportional to 96,660.64, 133,382.72 and 54,210.96 is: 74,806.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,660.64 : 133,382.72 = 54,210.96 : x
  2. Step 2: Convert to fraction form
    96,660.64/133,382.72 = 54,210.96/x
  3. Step 3: Cross multiply
    96,660.64x = 133,382.72 × 54,210.96
  4. Step 4: Simplify right side
    96,660.64x = 7,230,805,298.61
  5. Step 5: Solve for x
    x = 7,230,805,298.61/96,660.64
  6. Step 6: Final answer
    x = 74,806.10

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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.