Home / 84,041.32-115,940.28-60,159.28

Finding the Fourth Proportional to 84,041.32, 115,940.28 and 60,159.28

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Solution

The fourth proportional to 84,041.32, 115,940.28 and 60,159.28 is: 82,993.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,041.32 : 115,940.28 = 60,159.28 : x
  2. Step 2: Convert to fraction form
    84,041.32/115,940.28 = 60,159.28/x
  3. Step 3: Cross multiply
    84,041.32x = 115,940.28 × 60,159.28
  4. Step 4: Simplify right side
    84,041.32x = 6,974,883,767.80
  5. Step 5: Solve for x
    x = 6,974,883,767.80/84,041.32
  6. Step 6: Final answer
    x = 82,993.51

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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.