Home / 90,787.48-125,277.02-50,494.76

Finding the Fourth Proportional to 90,787.48, 125,277.02 and 50,494.76

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Solution

The fourth proportional to 90,787.48, 125,277.02 and 50,494.76 is: 69,677.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,787.48 : 125,277.02 = 50,494.76 : x
  2. Step 2: Convert to fraction form
    90,787.48/125,277.02 = 50,494.76/x
  3. Step 3: Cross multiply
    90,787.48x = 125,277.02 × 50,494.76
  4. Step 4: Simplify right side
    90,787.48x = 6,325,833,058.42
  5. Step 5: Solve for x
    x = 6,325,833,058.42/90,787.48
  6. Step 6: Final answer
    x = 69,677.37

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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.