Home / 98,601.20-147,707.40-59,040.80

Finding the Fourth Proportional to 98,601.20, 147,707.40 and 59,040.80

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Solution

The fourth proportional to 98,601.20, 147,707.40 and 59,040.80 is: 88,444.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,601.20 : 147,707.40 = 59,040.80 : x
  2. Step 2: Convert to fraction form
    98,601.20/147,707.40 = 59,040.80/x
  3. Step 3: Cross multiply
    98,601.20x = 147,707.40 × 59,040.80
  4. Step 4: Simplify right side
    98,601.20x = 8,720,763,061.92
  5. Step 5: Solve for x
    x = 8,720,763,061.92/98,601.20
  6. Step 6: Final answer
    x = 88,444.80

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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.