Home / 90,363.96-135,330.48-52,332.87

Finding the Fourth Proportional to 90,363.96, 135,330.48 and 52,332.87

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Solution

The fourth proportional to 90,363.96, 135,330.48 and 52,332.87 is: 78,374.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,363.96 : 135,330.48 = 52,332.87 : x
  2. Step 2: Convert to fraction form
    90,363.96/135,330.48 = 52,332.87/x
  3. Step 3: Cross multiply
    90,363.96x = 135,330.48 × 52,332.87
  4. Step 4: Simplify right side
    90,363.96x = 7,082,232,624.37
  5. Step 5: Solve for x
    x = 7,082,232,624.37/90,363.96
  6. Step 6: Final answer
    x = 78,374.53

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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.