Home / 61,845-85,312.08-43,966.68

Finding the Fourth Proportional to 61,845, 85,312.08 and 43,966.68

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Solution

The fourth proportional to 61,845, 85,312.08 and 43,966.68 is: 60,649.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,845 : 85,312.08 = 43,966.68 : x
  2. Step 2: Convert to fraction form
    61,845/85,312.08 = 43,966.68/x
  3. Step 3: Cross multiply
    61,845x = 85,312.08 × 43,966.68
  4. Step 4: Simplify right side
    61,845x = 3,750,888,921.49
  5. Step 5: Solve for x
    x = 3,750,888,921.49/61,845
  6. Step 6: Final answer
    x = 60,649.83

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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.