Home / 89,020.56-122,848.36-48,734.20

Finding the Fourth Proportional to 89,020.56, 122,848.36 and 48,734.20

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Solution

The fourth proportional to 89,020.56, 122,848.36 and 48,734.20 is: 67,253.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,020.56 : 122,848.36 = 48,734.20 : x
  2. Step 2: Convert to fraction form
    89,020.56/122,848.36 = 48,734.20/x
  3. Step 3: Cross multiply
    89,020.56x = 122,848.36 × 48,734.20
  4. Step 4: Simplify right side
    89,020.56x = 5,986,915,931.67
  5. Step 5: Solve for x
    x = 5,986,915,931.67/89,020.56
  6. Step 6: Final answer
    x = 67,253.19

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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.