Home / 86,347.60-119,165.79-48,109.66

Finding the Fourth Proportional to 86,347.60, 119,165.79 and 48,109.66

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Solution

The fourth proportional to 86,347.60, 119,165.79 and 48,109.66 is: 66,394.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,347.60 : 119,165.79 = 48,109.66 : x
  2. Step 2: Convert to fraction form
    86,347.60/119,165.79 = 48,109.66/x
  3. Step 3: Cross multiply
    86,347.60x = 119,165.79 × 48,109.66
  4. Step 4: Simplify right side
    86,347.60x = 5,733,025,640.53
  5. Step 5: Solve for x
    x = 5,733,025,640.53/86,347.60
  6. Step 6: Final answer
    x = 66,394.73

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1.5x scale

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.