Home / 55,210.13-76,217.29-38,227.39

Finding the Fourth Proportional to 55,210.13, 76,217.29 and 38,227.39

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Solution

The fourth proportional to 55,210.13, 76,217.29 and 38,227.39 is: 52,772.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,210.13 : 76,217.29 = 38,227.39 : x
  2. Step 2: Convert to fraction form
    55,210.13/76,217.29 = 38,227.39/x
  3. Step 3: Cross multiply
    55,210.13x = 76,217.29 × 38,227.39
  4. Step 4: Simplify right side
    55,210.13x = 2,913,588,373.46
  5. Step 5: Solve for x
    x = 2,913,588,373.46/55,210.13
  6. Step 6: Final answer
    x = 52,772.71

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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.