Home / 98,091.08-147,122.46-31,522.52

Finding the Fourth Proportional to 98,091.08, 147,122.46 and 31,522.52

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Solution

The fourth proportional to 98,091.08, 147,122.46 and 31,522.52 is: 47,279.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,091.08 : 147,122.46 = 31,522.52 : x
  2. Step 2: Convert to fraction form
    98,091.08/147,122.46 = 31,522.52/x
  3. Step 3: Cross multiply
    98,091.08x = 147,122.46 × 31,522.52
  4. Step 4: Simplify right side
    98,091.08x = 4,637,670,687.80
  5. Step 5: Solve for x
    x = 4,637,670,687.80/98,091.08
  6. Step 6: Final answer
    x = 47,279.23

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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.