Home / 88,647.28-122,321.14-50,921.53

Finding the Fourth Proportional to 88,647.28, 122,321.14 and 50,921.53

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Solution

The fourth proportional to 88,647.28, 122,321.14 and 50,921.53 is: 70,264.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,647.28 : 122,321.14 = 50,921.53 : x
  2. Step 2: Convert to fraction form
    88,647.28/122,321.14 = 50,921.53/x
  3. Step 3: Cross multiply
    88,647.28x = 122,321.14 × 50,921.53
  4. Step 4: Simplify right side
    88,647.28x = 6,228,779,600.14
  5. Step 5: Solve for x
    x = 6,228,779,600.14/88,647.28
  6. Step 6: Final answer
    x = 70,264.76

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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.