Home / 79,248.07-109,373.55-49,043.13

Finding the Fourth Proportional to 79,248.07, 109,373.55 and 49,043.13

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Solution

The fourth proportional to 79,248.07, 109,373.55 and 49,043.13 is: 67,686.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,248.07 : 109,373.55 = 49,043.13 : x
  2. Step 2: Convert to fraction form
    79,248.07/109,373.55 = 49,043.13/x
  3. Step 3: Cross multiply
    79,248.07x = 109,373.55 × 49,043.13
  4. Step 4: Simplify right side
    79,248.07x = 5,364,021,231.21
  5. Step 5: Solve for x
    x = 5,364,021,231.21/79,248.07
  6. Step 6: Final answer
    x = 67,686.46

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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.