Home / 98,568.30-147,957.71-42,436.24

Finding the Fourth Proportional to 98,568.30, 147,957.71 and 42,436.24

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Solution

The fourth proportional to 98,568.30, 147,957.71 and 42,436.24 is: 63,699.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,568.30 : 147,957.71 = 42,436.24 : x
  2. Step 2: Convert to fraction form
    98,568.30/147,957.71 = 42,436.24/x
  3. Step 3: Cross multiply
    98,568.30x = 147,957.71 × 42,436.24
  4. Step 4: Simplify right side
    98,568.30x = 6,278,768,891.41
  5. Step 5: Solve for x
    x = 6,278,768,891.41/98,568.30
  6. Step 6: Final answer
    x = 63,699.68

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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.