Home / 86,484.48-129,745.51-26,513.18

Finding the Fourth Proportional to 86,484.48, 129,745.51 and 26,513.18

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Solution

The fourth proportional to 86,484.48, 129,745.51 and 26,513.18 is: 39,775.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,484.48 : 129,745.51 = 26,513.18 : x
  2. Step 2: Convert to fraction form
    86,484.48/129,745.51 = 26,513.18/x
  3. Step 3: Cross multiply
    86,484.48x = 129,745.51 × 26,513.18
  4. Step 4: Simplify right side
    86,484.48x = 3,439,965,832.36
  5. Step 5: Solve for x
    x = 3,439,965,832.36/86,484.48
  6. Step 6: Final answer
    x = 39,775.53

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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.