Home / 55,079.24-76,071.78-37,143.24

Finding the Fourth Proportional to 55,079.24, 76,071.78 and 37,143.24

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Solution

The fourth proportional to 55,079.24, 76,071.78 and 37,143.24 is: 51,299.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,079.24 : 76,071.78 = 37,143.24 : x
  2. Step 2: Convert to fraction form
    55,079.24/76,071.78 = 37,143.24/x
  3. Step 3: Cross multiply
    55,079.24x = 76,071.78 × 37,143.24
  4. Step 4: Simplify right side
    55,079.24x = 2,825,552,381.77
  5. Step 5: Solve for x
    x = 2,825,552,381.77/55,079.24
  6. Step 6: Final answer
    x = 51,299.77

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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.