Home / 90,595.54-135,773.02-40,666.33

Finding the Fourth Proportional to 90,595.54, 135,773.02 and 40,666.33

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Solution

The fourth proportional to 90,595.54, 135,773.02 and 40,666.33 is: 60,945.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,595.54 : 135,773.02 = 40,666.33 : x
  2. Step 2: Convert to fraction form
    90,595.54/135,773.02 = 40,666.33/x
  3. Step 3: Cross multiply
    90,595.54x = 135,773.02 × 40,666.33
  4. Step 4: Simplify right side
    90,595.54x = 5,521,390,436.42
  5. Step 5: Solve for x
    x = 5,521,390,436.42/90,595.54
  6. Step 6: Final answer
    x = 60,945.50

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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.