Home / 88,871.40-122,642.22-48,585.12

Finding the Fourth Proportional to 88,871.40, 122,642.22 and 48,585.12

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Solution

The fourth proportional to 88,871.40, 122,642.22 and 48,585.12 is: 67,047.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,871.40 : 122,642.22 = 48,585.12 : x
  2. Step 2: Convert to fraction form
    88,871.40/122,642.22 = 48,585.12/x
  3. Step 3: Cross multiply
    88,871.40x = 122,642.22 × 48,585.12
  4. Step 4: Simplify right side
    88,871.40x = 5,958,586,975.77
  5. Step 5: Solve for x
    x = 5,958,586,975.77/88,871.40
  6. Step 6: Final answer
    x = 67,047.30

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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.