Home / 55,437.92-76,585.28-47,972.96

Finding the Fourth Proportional to 55,437.92, 76,585.28 and 47,972.96

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Solution

The fourth proportional to 55,437.92, 76,585.28 and 47,972.96 is: 66,272.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,437.92 : 76,585.28 = 47,972.96 : x
  2. Step 2: Convert to fraction form
    55,437.92/76,585.28 = 47,972.96/x
  3. Step 3: Cross multiply
    55,437.92x = 76,585.28 × 47,972.96
  4. Step 4: Simplify right side
    55,437.92x = 3,674,022,574.03
  5. Step 5: Solve for x
    x = 3,674,022,574.03/55,437.92
  6. Step 6: Final answer
    x = 66,272.73

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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.