Home / 89,948.38-124,139.70-52,222.63

Finding the Fourth Proportional to 89,948.38, 124,139.70 and 52,222.63

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Solution

The fourth proportional to 89,948.38, 124,139.70 and 52,222.63 is: 72,073.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,948.38 : 124,139.70 = 52,222.63 : x
  2. Step 2: Convert to fraction form
    89,948.38/124,139.70 = 52,222.63/x
  3. Step 3: Cross multiply
    89,948.38x = 124,139.70 × 52,222.63
  4. Step 4: Simplify right side
    89,948.38x = 6,482,900,739.60
  5. Step 5: Solve for x
    x = 6,482,900,739.60/89,948.38
  6. Step 6: Final answer
    x = 72,073.57

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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.