Home / 92,400.75-127,513.04-49,959.28

Finding the Fourth Proportional to 92,400.75, 127,513.04 and 49,959.28

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Solution

The fourth proportional to 92,400.75, 127,513.04 and 49,959.28 is: 68,943.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,400.75 : 127,513.04 = 49,959.28 : x
  2. Step 2: Convert to fraction form
    92,400.75/127,513.04 = 49,959.28/x
  3. Step 3: Cross multiply
    92,400.75x = 127,513.04 × 49,959.28
  4. Step 4: Simplify right side
    92,400.75x = 6,370,459,578.61
  5. Step 5: Solve for x
    x = 6,370,459,578.61/92,400.75
  6. Step 6: Final answer
    x = 68,943.81

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1.5x scale

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.