Home / 48,379.95-66,756.78-27,155.16

Finding the Fourth Proportional to 48,379.95, 66,756.78 and 27,155.16

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Solution

The fourth proportional to 48,379.95, 66,756.78 and 27,155.16 is: 37,469.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,379.95 : 66,756.78 = 27,155.16 : x
  2. Step 2: Convert to fraction form
    48,379.95/66,756.78 = 27,155.16/x
  3. Step 3: Cross multiply
    48,379.95x = 66,756.78 × 27,155.16
  4. Step 4: Simplify right side
    48,379.95x = 1,812,791,041.98
  5. Step 5: Solve for x
    x = 1,812,791,041.98/48,379.95
  6. Step 6: Final answer
    x = 37,469.88

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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.