Home / 88,685.40-122,386.77-48,398.70

Finding the Fourth Proportional to 88,685.40, 122,386.77 and 48,398.70

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Solution

The fourth proportional to 88,685.40, 122,386.77 and 48,398.70 is: 66,790.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,685.40 : 122,386.77 = 48,398.70 : x
  2. Step 2: Convert to fraction form
    88,685.40/122,386.77 = 48,398.70/x
  3. Step 3: Cross multiply
    88,685.40x = 122,386.77 × 48,398.70
  4. Step 4: Simplify right side
    88,685.40x = 5,923,360,565.20
  5. Step 5: Solve for x
    x = 5,923,360,565.20/88,685.40
  6. Step 6: Final answer
    x = 66,790.71

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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.