Home / 89,719.19-134,599.62-30,555.36

Finding the Fourth Proportional to 89,719.19, 134,599.62 and 30,555.36

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Solution

The fourth proportional to 89,719.19, 134,599.62 and 30,555.36 is: 45,840.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,719.19 : 134,599.62 = 30,555.36 : x
  2. Step 2: Convert to fraction form
    89,719.19/134,599.62 = 30,555.36/x
  3. Step 3: Cross multiply
    89,719.19x = 134,599.62 × 30,555.36
  4. Step 4: Simplify right side
    89,719.19x = 4,112,739,844.96
  5. Step 5: Solve for x
    x = 4,112,739,844.96/89,719.19
  6. Step 6: Final answer
    x = 45,840.14

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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.