Home / 90,943.32-125,444.70-62,599.80

Finding the Fourth Proportional to 90,943.32, 125,444.70 and 62,599.80

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Solution

The fourth proportional to 90,943.32, 125,444.70 and 62,599.80 is: 86,348.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,943.32 : 125,444.70 = 62,599.80 : x
  2. Step 2: Convert to fraction form
    90,943.32/125,444.70 = 62,599.80/x
  3. Step 3: Cross multiply
    90,943.32x = 125,444.70 × 62,599.80
  4. Step 4: Simplify right side
    90,943.32x = 7,852,813,131.06
  5. Step 5: Solve for x
    x = 7,852,813,131.06/90,943.32
  6. Step 6: Final answer
    x = 86,348.43

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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.