Home / 109,159.24-150,627.54-61,429

Finding the Fourth Proportional to 109,159.24, 150,627.54 and 61,429

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Solution

The fourth proportional to 109,159.24, 150,627.54 and 61,429 is: 84,765.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,159.24 : 150,627.54 = 61,429 : x
  2. Step 2: Convert to fraction form
    109,159.24/150,627.54 = 61,429/x
  3. Step 3: Cross multiply
    109,159.24x = 150,627.54 × 61,429
  4. Step 4: Simplify right side
    109,159.24x = 9,252,899,154.66
  5. Step 5: Solve for x
    x = 9,252,899,154.66/109,159.24
  6. Step 6: Final answer
    x = 84,765.15

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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.