Home / 64,765.08-89,377.56-36,471.78

Finding the Fourth Proportional to 64,765.08, 89,377.56 and 36,471.78

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Solution

The fourth proportional to 64,765.08, 89,377.56 and 36,471.78 is: 50,332.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,765.08 : 89,377.56 = 36,471.78 : x
  2. Step 2: Convert to fraction form
    64,765.08/89,377.56 = 36,471.78/x
  3. Step 3: Cross multiply
    64,765.08x = 89,377.56 × 36,471.78
  4. Step 4: Simplify right side
    64,765.08x = 3,259,758,705.26
  5. Step 5: Solve for x
    x = 3,259,758,705.26/64,765.08
  6. Step 6: Final answer
    x = 50,332.04

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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.