Home / 79,248.03-109,373.49-49,043.07

Finding the Fourth Proportional to 79,248.03, 109,373.49 and 49,043.07

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Solution

The fourth proportional to 79,248.03, 109,373.49 and 49,043.07 is: 67,686.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,248.03 : 109,373.49 = 49,043.07 : x
  2. Step 2: Convert to fraction form
    79,248.03/109,373.49 = 49,043.07/x
  3. Step 3: Cross multiply
    79,248.03x = 109,373.49 × 49,043.07
  4. Step 4: Simplify right side
    79,248.03x = 5,364,011,726.21
  5. Step 5: Solve for x
    x = 5,364,011,726.21/79,248.03
  6. Step 6: Final answer
    x = 67,686.37

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1.5x scale

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.