Home / 98,750.60-148,122.57-39,570.38

Finding the Fourth Proportional to 98,750.60, 148,122.57 and 39,570.38

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Solution

The fourth proportional to 98,750.60, 148,122.57 and 39,570.38 is: 59,354.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,750.60 : 148,122.57 = 39,570.38 : x
  2. Step 2: Convert to fraction form
    98,750.60/148,122.57 = 39,570.38/x
  3. Step 3: Cross multiply
    98,750.60x = 148,122.57 × 39,570.38
  4. Step 4: Simplify right side
    98,750.60x = 5,861,266,381.48
  5. Step 5: Solve for x
    x = 5,861,266,381.48/98,750.60
  6. Step 6: Final answer
    x = 59,354.24

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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.