Home / 98,975.90-148,417.68-28,841.24

Finding the Fourth Proportional to 98,975.90, 148,417.68 and 28,841.24

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Solution

The fourth proportional to 98,975.90, 148,417.68 and 28,841.24 is: 43,248.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,975.90 : 148,417.68 = 28,841.24 : x
  2. Step 2: Convert to fraction form
    98,975.90/148,417.68 = 28,841.24/x
  3. Step 3: Cross multiply
    98,975.90x = 148,417.68 × 28,841.24
  4. Step 4: Simplify right side
    98,975.90x = 4,280,549,929.12
  5. Step 5: Solve for x
    x = 4,280,549,929.12/98,975.90
  6. Step 6: Final answer
    x = 43,248.41

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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.