Home / 94,470.62-130,378.66-70,555.78

Finding the Fourth Proportional to 94,470.62, 130,378.66 and 70,555.78

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Solution

The fourth proportional to 94,470.62, 130,378.66 and 70,555.78 is: 97,373.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,470.62 : 130,378.66 = 70,555.78 : x
  2. Step 2: Convert to fraction form
    94,470.62/130,378.66 = 70,555.78/x
  3. Step 3: Cross multiply
    94,470.62x = 130,378.66 × 70,555.78
  4. Step 4: Simplify right side
    94,470.62x = 9,198,967,701.73
  5. Step 5: Solve for x
    x = 9,198,967,701.73/94,470.62
  6. Step 6: Final answer
    x = 97,373.85

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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.