Home / 88,865.66-122,555.13-73,734.32

Finding the Fourth Proportional to 88,865.66, 122,555.13 and 73,734.32

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Solution

The fourth proportional to 88,865.66, 122,555.13 and 73,734.32 is: 101,687.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,865.66 : 122,555.13 = 73,734.32 : x
  2. Step 2: Convert to fraction form
    88,865.66/122,555.13 = 73,734.32/x
  3. Step 3: Cross multiply
    88,865.66x = 122,555.13 × 73,734.32
  4. Step 4: Simplify right side
    88,865.66x = 9,036,519,173.06
  5. Step 5: Solve for x
    x = 9,036,519,173.06/88,865.66
  6. Step 6: Final answer
    x = 101,687.41

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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.