Home / 109,165.20-150,637.24-61,417.52

Finding the Fourth Proportional to 109,165.20, 150,637.24 and 61,417.52

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Solution

The fourth proportional to 109,165.20, 150,637.24 and 61,417.52 is: 84,750.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,165.20 : 150,637.24 = 61,417.52 : x
  2. Step 2: Convert to fraction form
    109,165.20/150,637.24 = 61,417.52/x
  3. Step 3: Cross multiply
    109,165.20x = 150,637.24 × 61,417.52
  4. Step 4: Simplify right side
    109,165.20x = 9,251,765,700.44
  5. Step 5: Solve for x
    x = 9,251,765,700.44/109,165.20
  6. Step 6: Final answer
    x = 84,750.14

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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.