Home / 92,777.19-128,024.71-54,537.95

Finding the Fourth Proportional to 92,777.19, 128,024.71 and 54,537.95

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Solution

The fourth proportional to 92,777.19, 128,024.71 and 54,537.95 is: 75,257.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,777.19 : 128,024.71 = 54,537.95 : x
  2. Step 2: Convert to fraction form
    92,777.19/128,024.71 = 54,537.95/x
  3. Step 3: Cross multiply
    92,777.19x = 128,024.71 × 54,537.95
  4. Step 4: Simplify right side
    92,777.19x = 6,982,205,232.74
  5. Step 5: Solve for x
    x = 6,982,205,232.74/92,777.19
  6. Step 6: Final answer
    x = 75,257.78

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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.