Home / 80,903.48-111,647.32-45,095.76

Finding the Fourth Proportional to 80,903.48, 111,647.32 and 45,095.76

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Solution

The fourth proportional to 80,903.48, 111,647.32 and 45,095.76 is: 62,232.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,903.48 : 111,647.32 = 45,095.76 : x
  2. Step 2: Convert to fraction form
    80,903.48/111,647.32 = 45,095.76/x
  3. Step 3: Cross multiply
    80,903.48x = 111,647.32 × 45,095.76
  4. Step 4: Simplify right side
    80,903.48x = 5,034,820,747.36
  5. Step 5: Solve for x
    x = 5,034,820,747.36/80,903.48
  6. Step 6: Final answer
    x = 62,232.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.