Home / 81,473.60-112,461.08-51,309.38

Finding the Fourth Proportional to 81,473.60, 112,461.08 and 51,309.38

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Solution

The fourth proportional to 81,473.60, 112,461.08 and 51,309.38 is: 70,824.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,473.60 : 112,461.08 = 51,309.38 : x
  2. Step 2: Convert to fraction form
    81,473.60/112,461.08 = 51,309.38/x
  3. Step 3: Cross multiply
    81,473.60x = 112,461.08 × 51,309.38
  4. Step 4: Simplify right side
    81,473.60x = 5,770,307,470.08
  5. Step 5: Solve for x
    x = 5,770,307,470.08/81,473.60
  6. Step 6: Final answer
    x = 70,824.26

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1.5x scale

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.