Home / 58,780.20-88,170.30-31,132.20

Finding the Fourth Proportional to 58,780.20, 88,170.30 and 31,132.20

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Solution

The fourth proportional to 58,780.20, 88,170.30 and 31,132.20 is: 46,698.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,780.20 : 88,170.30 = 31,132.20 : x
  2. Step 2: Convert to fraction form
    58,780.20/88,170.30 = 31,132.20/x
  3. Step 3: Cross multiply
    58,780.20x = 88,170.30 × 31,132.20
  4. Step 4: Simplify right side
    58,780.20x = 2,744,935,413.66
  5. Step 5: Solve for x
    x = 2,744,935,413.66/58,780.20
  6. Step 6: Final answer
    x = 46,698.30

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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.