Home / 86,342.95-119,132.53-48,617.20

Finding the Fourth Proportional to 86,342.95, 119,132.53 and 48,617.20

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Solution

The fourth proportional to 86,342.95, 119,132.53 and 48,617.20 is: 67,080.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,342.95 : 119,132.53 = 48,617.20 : x
  2. Step 2: Convert to fraction form
    86,342.95/119,132.53 = 48,617.20/x
  3. Step 3: Cross multiply
    86,342.95x = 119,132.53 × 48,617.20
  4. Step 4: Simplify right side
    86,342.95x = 5,791,890,037.52
  5. Step 5: Solve for x
    x = 5,791,890,037.52/86,342.95
  6. Step 6: Final answer
    x = 67,080.06

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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.