Home / 86,236.45-119,008.13-48,510.70

Finding the Fourth Proportional to 86,236.45, 119,008.13 and 48,510.70

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Solution

The fourth proportional to 86,236.45, 119,008.13 and 48,510.70 is: 66,945.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,236.45 : 119,008.13 = 48,510.70 : x
  2. Step 2: Convert to fraction form
    86,236.45/119,008.13 = 48,510.70/x
  3. Step 3: Cross multiply
    86,236.45x = 119,008.13 × 48,510.70
  4. Step 4: Simplify right side
    86,236.45x = 5,773,167,957.77
  5. Step 5: Solve for x
    x = 5,773,167,957.77/86,236.45
  6. Step 6: Final answer
    x = 66,945.80

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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.