Home / 81,541.26-112,527.76-45,730.52

Finding the Fourth Proportional to 81,541.26, 112,527.76 and 45,730.52

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Solution

The fourth proportional to 81,541.26, 112,527.76 and 45,730.52 is: 63,108.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,541.26 : 112,527.76 = 45,730.52 : x
  2. Step 2: Convert to fraction form
    81,541.26/112,527.76 = 45,730.52/x
  3. Step 3: Cross multiply
    81,541.26x = 112,527.76 × 45,730.52
  4. Step 4: Simplify right side
    81,541.26x = 5,145,952,979.24
  5. Step 5: Solve for x
    x = 5,145,952,979.24/81,541.26
  6. Step 6: Final answer
    x = 63,108.58

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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.