Home / 90,427.41-135,642.27-62,339.95

Finding the Fourth Proportional to 90,427.41, 135,642.27 and 62,339.95

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Solution

The fourth proportional to 90,427.41, 135,642.27 and 62,339.95 is: 93,510.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,427.41 : 135,642.27 = 62,339.95 : x
  2. Step 2: Convert to fraction form
    90,427.41/135,642.27 = 62,339.95/x
  3. Step 3: Cross multiply
    90,427.41x = 135,642.27 × 62,339.95
  4. Step 4: Simplify right side
    90,427.41x = 8,455,932,939.18
  5. Step 5: Solve for x
    x = 8,455,932,939.18/90,427.41
  6. Step 6: Final answer
    x = 93,510.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.