Home / 96,935.40-145,403.10-54,772.20

Finding the Fourth Proportional to 96,935.40, 145,403.10 and 54,772.20

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Solution

The fourth proportional to 96,935.40, 145,403.10 and 54,772.20 is: 82,158.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,935.40 : 145,403.10 = 54,772.20 : x
  2. Step 2: Convert to fraction form
    96,935.40/145,403.10 = 54,772.20/x
  3. Step 3: Cross multiply
    96,935.40x = 145,403.10 × 54,772.20
  4. Step 4: Simplify right side
    96,935.40x = 7,964,047,673.82
  5. Step 5: Solve for x
    x = 7,964,047,673.82/96,935.40
  6. Step 6: Final answer
    x = 82,158.30

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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.