Home / 56,864.40-85,370.51-43,725.99

Finding the Fourth Proportional to 56,864.40, 85,370.51 and 43,725.99

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Solution

The fourth proportional to 56,864.40, 85,370.51 and 43,725.99 is: 65,645.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,864.40 : 85,370.51 = 43,725.99 : x
  2. Step 2: Convert to fraction form
    56,864.40/85,370.51 = 43,725.99/x
  3. Step 3: Cross multiply
    56,864.40x = 85,370.51 × 43,725.99
  4. Step 4: Simplify right side
    56,864.40x = 3,732,910,066.55
  5. Step 5: Solve for x
    x = 3,732,910,066.55/56,864.40
  6. Step 6: Final answer
    x = 65,645.82

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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.