Home / 99,139.08-148,707.30-24,259.88

Finding the Fourth Proportional to 99,139.08, 148,707.30 and 24,259.88

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Solution

The fourth proportional to 99,139.08, 148,707.30 and 24,259.88 is: 36,389.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,139.08 : 148,707.30 = 24,259.88 : x
  2. Step 2: Convert to fraction form
    99,139.08/148,707.30 = 24,259.88/x
  3. Step 3: Cross multiply
    99,139.08x = 148,707.30 × 24,259.88
  4. Step 4: Simplify right side
    99,139.08x = 3,607,621,253.12
  5. Step 5: Solve for x
    x = 3,607,621,253.12/99,139.08
  6. Step 6: Final answer
    x = 36,389.50

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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.