Home / 87,595.04-131,413.24-28,430.56

Finding the Fourth Proportional to 87,595.04, 131,413.24 and 28,430.56

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Solution

The fourth proportional to 87,595.04, 131,413.24 and 28,430.56 is: 42,652.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,595.04 : 131,413.24 = 28,430.56 : x
  2. Step 2: Convert to fraction form
    87,595.04/131,413.24 = 28,430.56/x
  3. Step 3: Cross multiply
    87,595.04x = 131,413.24 × 28,430.56
  4. Step 4: Simplify right side
    87,595.04x = 3,736,152,004.61
  5. Step 5: Solve for x
    x = 3,736,152,004.61/87,595.04
  6. Step 6: Final answer
    x = 42,652.55

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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.