Home / 98,861.48-148,292.28-57,015.12

Finding the Fourth Proportional to 98,861.48, 148,292.28 and 57,015.12

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Solution

The fourth proportional to 98,861.48, 148,292.28 and 57,015.12 is: 85,522.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,861.48 : 148,292.28 = 57,015.12 : x
  2. Step 2: Convert to fraction form
    98,861.48/148,292.28 = 57,015.12/x
  3. Step 3: Cross multiply
    98,861.48x = 148,292.28 × 57,015.12
  4. Step 4: Simplify right side
    98,861.48x = 8,454,902,139.27
  5. Step 5: Solve for x
    x = 8,454,902,139.27/98,861.48
  6. Step 6: Final answer
    x = 85,522.72

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1.5x scale

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.