Home / 108,359.04-149,475.28-63,031.92

Finding the Fourth Proportional to 108,359.04, 149,475.28 and 63,031.92

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Solution

The fourth proportional to 108,359.04, 149,475.28 and 63,031.92 is: 86,949.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,359.04 : 149,475.28 = 63,031.92 : x
  2. Step 2: Convert to fraction form
    108,359.04/149,475.28 = 63,031.92/x
  3. Step 3: Cross multiply
    108,359.04x = 149,475.28 × 63,031.92
  4. Step 4: Simplify right side
    108,359.04x = 9,421,713,890.94
  5. Step 5: Solve for x
    x = 9,421,713,890.94/108,359.04
  6. Step 6: Final answer
    x = 86,949.03

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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.