Home / 98,879.57-148,319.27-39,715.25

Finding the Fourth Proportional to 98,879.57, 148,319.27 and 39,715.25

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Solution

The fourth proportional to 98,879.57, 148,319.27 and 39,715.25 is: 59,572.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,879.57 : 148,319.27 = 39,715.25 : x
  2. Step 2: Convert to fraction form
    98,879.57/148,319.27 = 39,715.25/x
  3. Step 3: Cross multiply
    98,879.57x = 148,319.27 × 39,715.25
  4. Step 4: Simplify right side
    98,879.57x = 5,890,536,689.29
  5. Step 5: Solve for x
    x = 5,890,536,689.29/98,879.57
  6. Step 6: Final answer
    x = 59,572.84

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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.