Home / 88,871.40-122,655.06-54,436.68

Finding the Fourth Proportional to 88,871.40, 122,655.06 and 54,436.68

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Solution

The fourth proportional to 88,871.40, 122,655.06 and 54,436.68 is: 75,130.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,871.40 : 122,655.06 = 54,436.68 : x
  2. Step 2: Convert to fraction form
    88,871.40/122,655.06 = 54,436.68/x
  3. Step 3: Cross multiply
    88,871.40x = 122,655.06 × 54,436.68
  4. Step 4: Simplify right side
    88,871.40x = 6,676,934,251.60
  5. Step 5: Solve for x
    x = 6,676,934,251.60/88,871.40
  6. Step 6: Final answer
    x = 75,130.29

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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.