Home / 55,227.68-76,148.24-45,118.88

Finding the Fourth Proportional to 55,227.68, 76,148.24 and 45,118.88

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Solution

The fourth proportional to 55,227.68, 76,148.24 and 45,118.88 is: 62,210.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,227.68 : 76,148.24 = 45,118.88 : x
  2. Step 2: Convert to fraction form
    55,227.68/76,148.24 = 45,118.88/x
  3. Step 3: Cross multiply
    55,227.68x = 76,148.24 × 45,118.88
  4. Step 4: Simplify right side
    55,227.68x = 3,435,723,302.77
  5. Step 5: Solve for x
    x = 3,435,723,302.77/55,227.68
  6. Step 6: Final answer
    x = 62,210.17

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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.