Home / 48,864.45-67,440.00-28,163.93

Finding the Fourth Proportional to 48,864.45, 67,440.00 and 28,163.93

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Solution

The fourth proportional to 48,864.45, 67,440.00 and 28,163.93 is: 38,870.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,864.45 : 67,440.00 = 28,163.93 : x
  2. Step 2: Convert to fraction form
    48,864.45/67,440.00 = 28,163.93/x
  3. Step 3: Cross multiply
    48,864.45x = 67,440.00 × 28,163.93
  4. Step 4: Simplify right side
    48,864.45x = 1,899,375,207.61
  5. Step 5: Solve for x
    x = 1,899,375,207.61/48,864.45
  6. Step 6: Final answer
    x = 38,870.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.