Home / 88,287.06-121,716.90-59,943.54

Finding the Fourth Proportional to 88,287.06, 121,716.90 and 59,943.54

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Solution

The fourth proportional to 88,287.06, 121,716.90 and 59,943.54 is: 82,641.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,287.06 : 121,716.90 = 59,943.54 : x
  2. Step 2: Convert to fraction form
    88,287.06/121,716.90 = 59,943.54/x
  3. Step 3: Cross multiply
    88,287.06x = 121,716.90 × 59,943.54
  4. Step 4: Simplify right side
    88,287.06x = 7,296,141,863.83
  5. Step 5: Solve for x
    x = 7,296,141,863.83/88,287.06
  6. Step 6: Final answer
    x = 82,641.12

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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.