Home / 82,929.68-114,442.86-45,203.92

Finding the Fourth Proportional to 82,929.68, 114,442.86 and 45,203.92

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Solution

The fourth proportional to 82,929.68, 114,442.86 and 45,203.92 is: 62,381.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,929.68 : 114,442.86 = 45,203.92 : x
  2. Step 2: Convert to fraction form
    82,929.68/114,442.86 = 45,203.92/x
  3. Step 3: Cross multiply
    82,929.68x = 114,442.86 × 45,203.92
  4. Step 4: Simplify right side
    82,929.68x = 5,173,265,888.01
  5. Step 5: Solve for x
    x = 5,173,265,888.01/82,929.68
  6. Step 6: Final answer
    x = 62,381.36

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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.