Home / 90,428.92-135,644.52-62,341.46

Finding the Fourth Proportional to 90,428.92, 135,644.52 and 62,341.46

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Solution

The fourth proportional to 90,428.92, 135,644.52 and 62,341.46 is: 93,512.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,428.92 : 135,644.52 = 62,341.46 : x
  2. Step 2: Convert to fraction form
    90,428.92/135,644.52 = 62,341.46/x
  3. Step 3: Cross multiply
    90,428.92x = 135,644.52 × 62,341.46
  4. Step 4: Simplify right side
    90,428.92x = 8,456,277,417.80
  5. Step 5: Solve for x
    x = 8,456,277,417.80/90,428.92
  6. Step 6: Final answer
    x = 93,512.98

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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.