Home / 88,427.78-122,032.53-48,143.75

Finding the Fourth Proportional to 88,427.78, 122,032.53 and 48,143.75

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Solution

The fourth proportional to 88,427.78, 122,032.53 and 48,143.75 is: 66,439.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,427.78 : 122,032.53 = 48,143.75 : x
  2. Step 2: Convert to fraction form
    88,427.78/122,032.53 = 48,143.75/x
  3. Step 3: Cross multiply
    88,427.78x = 122,032.53 × 48,143.75
  4. Step 4: Simplify right side
    88,427.78x = 5,875,103,644.24
  5. Step 5: Solve for x
    x = 5,875,103,644.24/88,427.78
  6. Step 6: Final answer
    x = 66,439.57

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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.