Home / 98,583.20-147,680.40-59,022.80

Finding the Fourth Proportional to 98,583.20, 147,680.40 and 59,022.80

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Solution

The fourth proportional to 98,583.20, 147,680.40 and 59,022.80 is: 88,417.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,583.20 : 147,680.40 = 59,022.80 : x
  2. Step 2: Convert to fraction form
    98,583.20/147,680.40 = 59,022.80/x
  3. Step 3: Cross multiply
    98,583.20x = 147,680.40 × 59,022.80
  4. Step 4: Simplify right side
    98,583.20x = 8,716,510,713.12
  5. Step 5: Solve for x
    x = 8,716,510,713.12/98,583.20
  6. Step 6: Final answer
    x = 88,417.81

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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.