Home / 84,356.42-126,471.59-51,068.45

Finding the Fourth Proportional to 84,356.42, 126,471.59 and 51,068.45

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Solution

The fourth proportional to 84,356.42, 126,471.59 and 51,068.45 is: 76,564.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,356.42 : 126,471.59 = 51,068.45 : x
  2. Step 2: Convert to fraction form
    84,356.42/126,471.59 = 51,068.45/x
  3. Step 3: Cross multiply
    84,356.42x = 126,471.59 × 51,068.45
  4. Step 4: Simplify right side
    84,356.42x = 6,458,708,131.17
  5. Step 5: Solve for x
    x = 6,458,708,131.17/84,356.42
  6. Step 6: Final answer
    x = 76,564.52

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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.