Home / 85,100.86-127,670.24-25,941.14

Finding the Fourth Proportional to 85,100.86, 127,670.24 and 25,941.14

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Solution

The fourth proportional to 85,100.86, 127,670.24 and 25,941.14 is: 38,917.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,100.86 : 127,670.24 = 25,941.14 : x
  2. Step 2: Convert to fraction form
    85,100.86/127,670.24 = 25,941.14/x
  3. Step 3: Cross multiply
    85,100.86x = 127,670.24 × 25,941.14
  4. Step 4: Simplify right side
    85,100.86x = 3,311,911,569.67
  5. Step 5: Solve for x
    x = 3,311,911,569.67/85,100.86
  6. Step 6: Final answer
    x = 38,917.49

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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.