Home / 81,347.68-112,254.52-45,537.38

Finding the Fourth Proportional to 81,347.68, 112,254.52 and 45,537.38

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Solution

The fourth proportional to 81,347.68, 112,254.52 and 45,537.38 is: 62,838.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,347.68 : 112,254.52 = 45,537.38 : x
  2. Step 2: Convert to fraction form
    81,347.68/112,254.52 = 45,537.38/x
  3. Step 3: Cross multiply
    81,347.68x = 112,254.52 × 45,537.38
  4. Step 4: Simplify right side
    81,347.68x = 5,111,776,733.96
  5. Step 5: Solve for x
    x = 5,111,776,733.96/81,347.68
  6. Step 6: Final answer
    x = 62,838.63

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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.