Home / 90,348.60-135,511.40-23,793.93

Finding the Fourth Proportional to 90,348.60, 135,511.40 and 23,793.93

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Solution

The fourth proportional to 90,348.60, 135,511.40 and 23,793.93 is: 35,687.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,348.60 : 135,511.40 = 23,793.93 : x
  2. Step 2: Convert to fraction form
    90,348.60/135,511.40 = 23,793.93/x
  3. Step 3: Cross multiply
    90,348.60x = 135,511.40 × 23,793.93
  4. Step 4: Simplify right side
    90,348.60x = 3,224,348,646.83
  5. Step 5: Solve for x
    x = 3,224,348,646.83/90,348.60
  6. Step 6: Final answer
    x = 35,687.87

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1.5x scale

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.