Home / 86,333.79-119,146.11-52,345.53

Finding the Fourth Proportional to 86,333.79, 119,146.11 and 52,345.53

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Solution

The fourth proportional to 86,333.79, 119,146.11 and 52,345.53 is: 72,240.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,333.79 : 119,146.11 = 52,345.53 : x
  2. Step 2: Convert to fraction form
    86,333.79/119,146.11 = 52,345.53/x
  3. Step 3: Cross multiply
    86,333.79x = 119,146.11 × 52,345.53
  4. Step 4: Simplify right side
    86,333.79x = 6,236,765,679.66
  5. Step 5: Solve for x
    x = 6,236,765,679.66/86,333.79
  6. Step 6: Final answer
    x = 72,240.15

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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.