Home / 63,066.95-86,983.16-40,408.05

Finding the Fourth Proportional to 63,066.95, 86,983.16 and 40,408.05

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Solution

The fourth proportional to 63,066.95, 86,983.16 and 40,408.05 is: 55,731.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,066.95 : 86,983.16 = 40,408.05 : x
  2. Step 2: Convert to fraction form
    63,066.95/86,983.16 = 40,408.05/x
  3. Step 3: Cross multiply
    63,066.95x = 86,983.16 × 40,408.05
  4. Step 4: Simplify right side
    63,066.95x = 3,514,819,676.40
  5. Step 5: Solve for x
    x = 3,514,819,676.40/63,066.95
  6. Step 6: Final answer
    x = 55,731.57

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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.