Home / 88,260.75-121,817.52-52,443.81

Finding the Fourth Proportional to 88,260.75, 121,817.52 and 52,443.81

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Solution

The fourth proportional to 88,260.75, 121,817.52 and 52,443.81 is: 72,382.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,260.75 : 121,817.52 = 52,443.81 : x
  2. Step 2: Convert to fraction form
    88,260.75/121,817.52 = 52,443.81/x
  3. Step 3: Cross multiply
    88,260.75x = 121,817.52 × 52,443.81
  4. Step 4: Simplify right side
    88,260.75x = 6,388,574,873.55
  5. Step 5: Solve for x
    x = 6,388,574,873.55/88,260.75
  6. Step 6: Final answer
    x = 72,382.97

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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.