Home / 88,561.94-122,215.35-48,275.78

Finding the Fourth Proportional to 88,561.94, 122,215.35 and 48,275.78

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Solution

The fourth proportional to 88,561.94, 122,215.35 and 48,275.78 is: 66,620.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,561.94 : 122,215.35 = 48,275.78 : x
  2. Step 2: Convert to fraction form
    88,561.94/122,215.35 = 48,275.78/x
  3. Step 3: Cross multiply
    88,561.94x = 122,215.35 × 48,275.78
  4. Step 4: Simplify right side
    88,561.94x = 5,900,041,349.22
  5. Step 5: Solve for x
    x = 5,900,041,349.22/88,561.94
  6. Step 6: Final answer
    x = 66,620.51

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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.