Home / 52,081.41-71,872.28-28,208.18

Finding the Fourth Proportional to 52,081.41, 71,872.28 and 28,208.18

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Solution

The fourth proportional to 52,081.41, 71,872.28 and 28,208.18 is: 38,927.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,081.41 : 71,872.28 = 28,208.18 : x
  2. Step 2: Convert to fraction form
    52,081.41/71,872.28 = 28,208.18/x
  3. Step 3: Cross multiply
    52,081.41x = 71,872.28 × 28,208.18
  4. Step 4: Simplify right side
    52,081.41x = 2,027,386,461.45
  5. Step 5: Solve for x
    x = 2,027,386,461.45/52,081.41
  6. Step 6: Final answer
    x = 38,927.26

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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.