Home / 98,599.32-147,907.08-28,479.24

Finding the Fourth Proportional to 98,599.32, 147,907.08 and 28,479.24

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Solution

The fourth proportional to 98,599.32, 147,907.08 and 28,479.24 is: 42,721.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,599.32 : 147,907.08 = 28,479.24 : x
  2. Step 2: Convert to fraction form
    98,599.32/147,907.08 = 28,479.24/x
  3. Step 3: Cross multiply
    98,599.32x = 147,907.08 × 28,479.24
  4. Step 4: Simplify right side
    98,599.32x = 4,212,281,229.02
  5. Step 5: Solve for x
    x = 4,212,281,229.02/98,599.32
  6. Step 6: Final answer
    x = 42,721.20

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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.