Home / 86,747.65-119,705.19-52,751.42

Finding the Fourth Proportional to 86,747.65, 119,705.19 and 52,751.42

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Solution

The fourth proportional to 86,747.65, 119,705.19 and 52,751.42 is: 72,792.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,747.65 : 119,705.19 = 52,751.42 : x
  2. Step 2: Convert to fraction form
    86,747.65/119,705.19 = 52,751.42/x
  3. Step 3: Cross multiply
    86,747.65x = 119,705.19 × 52,751.42
  4. Step 4: Simplify right side
    86,747.65x = 6,314,618,155.34
  5. Step 5: Solve for x
    x = 6,314,618,155.34/86,747.65
  6. Step 6: Final answer
    x = 72,792.96

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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.