Home / 86,581.25-119,480.96-48,341.39

Finding the Fourth Proportional to 86,581.25, 119,480.96 and 48,341.39

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Solution

The fourth proportional to 86,581.25, 119,480.96 and 48,341.39 is: 66,710.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,581.25 : 119,480.96 = 48,341.39 : x
  2. Step 2: Convert to fraction form
    86,581.25/119,480.96 = 48,341.39/x
  3. Step 3: Cross multiply
    86,581.25x = 119,480.96 × 48,341.39
  4. Step 4: Simplify right side
    86,581.25x = 5,775,875,087.53
  5. Step 5: Solve for x
    x = 5,775,875,087.53/86,581.25
  6. Step 6: Final answer
    x = 66,710.46

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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.