Home / 85,095.82-127,643.67-38,294.02

Finding the Fourth Proportional to 85,095.82, 127,643.67 and 38,294.02

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Solution

The fourth proportional to 85,095.82, 127,643.67 and 38,294.02 is: 57,441.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,095.82 : 127,643.67 = 38,294.02 : x
  2. Step 2: Convert to fraction form
    85,095.82/127,643.67 = 38,294.02/x
  3. Step 3: Cross multiply
    85,095.82x = 127,643.67 × 38,294.02
  4. Step 4: Simplify right side
    85,095.82x = 4,887,989,251.85
  5. Step 5: Solve for x
    x = 4,887,989,251.85/85,095.82
  6. Step 6: Final answer
    x = 57,441.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.