Home / 86,914.77-119,957.40-49,189.02

Finding the Fourth Proportional to 86,914.77, 119,957.40 and 49,189.02

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Solution

The fourth proportional to 86,914.77, 119,957.40 and 49,189.02 is: 67,889.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,914.77 : 119,957.40 = 49,189.02 : x
  2. Step 2: Convert to fraction form
    86,914.77/119,957.40 = 49,189.02/x
  3. Step 3: Cross multiply
    86,914.77x = 119,957.40 × 49,189.02
  4. Step 4: Simplify right side
    86,914.77x = 5,900,586,947.75
  5. Step 5: Solve for x
    x = 5,900,586,947.75/86,914.77
  6. Step 6: Final answer
    x = 67,889.35

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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.