Home / 82,931.52-114,446.88-45,207.36

Finding the Fourth Proportional to 82,931.52, 114,446.88 and 45,207.36

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Solution

The fourth proportional to 82,931.52, 114,446.88 and 45,207.36 is: 62,386.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,931.52 : 114,446.88 = 45,207.36 : x
  2. Step 2: Convert to fraction form
    82,931.52/114,446.88 = 45,207.36/x
  3. Step 3: Cross multiply
    82,931.52x = 114,446.88 × 45,207.36
  4. Step 4: Simplify right side
    82,931.52x = 5,173,841,305.04
  5. Step 5: Solve for x
    x = 5,173,841,305.04/82,931.52
  6. Step 6: Final answer
    x = 62,386.91

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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.