Home / 88,382.32-121,970.16-48,098.68

Finding the Fourth Proportional to 88,382.32, 121,970.16 and 48,098.68

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Solution

The fourth proportional to 88,382.32, 121,970.16 and 48,098.68 is: 66,377.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,382.32 : 121,970.16 = 48,098.68 : x
  2. Step 2: Convert to fraction form
    88,382.32/121,970.16 = 48,098.68/x
  3. Step 3: Cross multiply
    88,382.32x = 121,970.16 × 48,098.68
  4. Step 4: Simplify right side
    88,382.32x = 5,866,603,695.39
  5. Step 5: Solve for x
    x = 5,866,603,695.39/88,382.32
  6. Step 6: Final answer
    x = 66,377.57

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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.