Home / 113,960.61-157,264.79-62,976.78

Finding the Fourth Proportional to 113,960.61, 157,264.79 and 62,976.78

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Solution

The fourth proportional to 113,960.61, 157,264.79 and 62,976.78 is: 86,907.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,960.61 : 157,264.79 = 62,976.78 : x
  2. Step 2: Convert to fraction form
    113,960.61/157,264.79 = 62,976.78/x
  3. Step 3: Cross multiply
    113,960.61x = 157,264.79 × 62,976.78
  4. Step 4: Simplify right side
    113,960.61x = 9,904,029,766.69
  5. Step 5: Solve for x
    x = 9,904,029,766.69/113,960.61
  6. Step 6: Final answer
    x = 86,907.48

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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.