Home / 86,822.60-130,248.30-34,233.80

Finding the Fourth Proportional to 86,822.60, 130,248.30 and 34,233.80

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Solution

The fourth proportional to 86,822.60, 130,248.30 and 34,233.80 is: 51,356.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,822.60 : 130,248.30 = 34,233.80 : x
  2. Step 2: Convert to fraction form
    86,822.60/130,248.30 = 34,233.80/x
  3. Step 3: Cross multiply
    86,822.60x = 130,248.30 × 34,233.80
  4. Step 4: Simplify right side
    86,822.60x = 4,458,894,252.54
  5. Step 5: Solve for x
    x = 4,458,894,252.54/86,822.60
  6. Step 6: Final answer
    x = 51,356.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.