Home / 86,232.60-129,316.64-30,058.29

Finding the Fourth Proportional to 86,232.60, 129,316.64 and 30,058.29

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Solution

The fourth proportional to 86,232.60, 129,316.64 and 30,058.29 is: 45,076.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,232.60 : 129,316.64 = 30,058.29 : x
  2. Step 2: Convert to fraction form
    86,232.60/129,316.64 = 30,058.29/x
  3. Step 3: Cross multiply
    86,232.60x = 129,316.64 × 30,058.29
  4. Step 4: Simplify right side
    86,232.60x = 3,887,036,916.65
  5. Step 5: Solve for x
    x = 3,887,036,916.65/86,232.60
  6. Step 6: Final answer
    x = 45,076.19

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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.