Home / 56,625.82-78,137.16-45,291.18

Finding the Fourth Proportional to 56,625.82, 78,137.16 and 45,291.18

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Solution

The fourth proportional to 56,625.82, 78,137.16 and 45,291.18 is: 62,496.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,625.82 : 78,137.16 = 45,291.18 : x
  2. Step 2: Convert to fraction form
    56,625.82/78,137.16 = 45,291.18/x
  3. Step 3: Cross multiply
    56,625.82x = 78,137.16 × 45,291.18
  4. Step 4: Simplify right side
    56,625.82x = 3,538,924,301.42
  5. Step 5: Solve for x
    x = 3,538,924,301.42/56,625.82
  6. Step 6: Final answer
    x = 62,496.66

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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.