Home / 92,319.79-127,401.38-49,878.31

Finding the Fourth Proportional to 92,319.79, 127,401.38 and 49,878.31

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Solution

The fourth proportional to 92,319.79, 127,401.38 and 49,878.31 is: 68,832.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,319.79 : 127,401.38 = 49,878.31 : x
  2. Step 2: Convert to fraction form
    92,319.79/127,401.38 = 49,878.31/x
  3. Step 3: Cross multiply
    92,319.79x = 127,401.38 × 49,878.31
  4. Step 4: Simplify right side
    92,319.79x = 6,354,565,526.07
  5. Step 5: Solve for x
    x = 6,354,565,526.07/92,319.79
  6. Step 6: Final answer
    x = 68,832.11

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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.