Home / 98,631.33-147,948.08-28,511.25

Finding the Fourth Proportional to 98,631.33, 147,948.08 and 28,511.25

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Solution

The fourth proportional to 98,631.33, 147,948.08 and 28,511.25 is: 42,767.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,631.33 : 147,948.08 = 28,511.25 : x
  2. Step 2: Convert to fraction form
    98,631.33/147,948.08 = 28,511.25/x
  3. Step 3: Cross multiply
    98,631.33x = 147,948.08 × 28,511.25
  4. Step 4: Simplify right side
    98,631.33x = 4,218,184,695.90
  5. Step 5: Solve for x
    x = 4,218,184,695.90/98,631.33
  6. Step 6: Final answer
    x = 42,767.19

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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.