Home / 84,332.49-126,516.95-31,741.82

Finding the Fourth Proportional to 84,332.49, 126,516.95 and 31,741.82

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Solution

The fourth proportional to 84,332.49, 126,516.95 and 31,741.82 is: 47,619.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,332.49 : 126,516.95 = 31,741.82 : x
  2. Step 2: Convert to fraction form
    84,332.49/126,516.95 = 31,741.82/x
  3. Step 3: Cross multiply
    84,332.49x = 126,516.95 × 31,741.82
  4. Step 4: Simplify right side
    84,332.49x = 4,015,878,253.85
  5. Step 5: Solve for x
    x = 4,015,878,253.85/84,332.49
  6. Step 6: Final answer
    x = 47,619.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.