Home / 106,338.28-159,331.74-47,085.16

Finding the Fourth Proportional to 106,338.28, 159,331.74 and 47,085.16

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Solution

The fourth proportional to 106,338.28, 159,331.74 and 47,085.16 is: 70,549.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,338.28 : 159,331.74 = 47,085.16 : x
  2. Step 2: Convert to fraction form
    106,338.28/159,331.74 = 47,085.16/x
  3. Step 3: Cross multiply
    106,338.28x = 159,331.74 × 47,085.16
  4. Step 4: Simplify right side
    106,338.28x = 7,502,160,470.98
  5. Step 5: Solve for x
    x = 7,502,160,470.98/106,338.28
  6. Step 6: Final answer
    x = 70,549.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.