Home / 79,248.05-109,373.51-49,043.10

Finding the Fourth Proportional to 79,248.05, 109,373.51 and 49,043.10

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Solution

The fourth proportional to 79,248.05, 109,373.51 and 49,043.10 is: 67,686.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,248.05 : 109,373.51 = 49,043.10 : x
  2. Step 2: Convert to fraction form
    79,248.05/109,373.51 = 49,043.10/x
  3. Step 3: Cross multiply
    79,248.05x = 109,373.51 × 49,043.10
  4. Step 4: Simplify right side
    79,248.05x = 5,364,015,988.28
  5. Step 5: Solve for x
    x = 5,364,015,988.28/79,248.05
  6. Step 6: Final answer
    x = 67,686.41

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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.