Home / 82,739.17-114,180.56-45,013.69

Finding the Fourth Proportional to 82,739.17, 114,180.56 and 45,013.69

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Solution

The fourth proportional to 82,739.17, 114,180.56 and 45,013.69 is: 62,119.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,739.17 : 114,180.56 = 45,013.69 : x
  2. Step 2: Convert to fraction form
    82,739.17/114,180.56 = 45,013.69/x
  3. Step 3: Cross multiply
    82,739.17x = 114,180.56 × 45,013.69
  4. Step 4: Simplify right side
    82,739.17x = 5,139,688,106.80
  5. Step 5: Solve for x
    x = 5,139,688,106.80/82,739.17
  6. Step 6: Final answer
    x = 62,119.16

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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.