Home / 85,306.14-127,985.86-25,334.96

Finding the Fourth Proportional to 85,306.14, 127,985.86 and 25,334.96

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Solution

The fourth proportional to 85,306.14, 127,985.86 and 25,334.96 is: 38,010.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,306.14 : 127,985.86 = 25,334.96 : x
  2. Step 2: Convert to fraction form
    85,306.14/127,985.86 = 25,334.96/x
  3. Step 3: Cross multiply
    85,306.14x = 127,985.86 × 25,334.96
  4. Step 4: Simplify right side
    85,306.14x = 3,242,516,643.67
  5. Step 5: Solve for x
    x = 3,242,516,643.67/85,306.14
  6. Step 6: Final answer
    x = 38,010.35

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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.