Home / 91,742.43-126,604.51-53,494.60

Finding the Fourth Proportional to 91,742.43, 126,604.51 and 53,494.60

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Solution

The fourth proportional to 91,742.43, 126,604.51 and 53,494.60 is: 73,822.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,742.43 : 126,604.51 = 53,494.60 : x
  2. Step 2: Convert to fraction form
    91,742.43/126,604.51 = 53,494.60/x
  3. Step 3: Cross multiply
    91,742.43x = 126,604.51 × 53,494.60
  4. Step 4: Simplify right side
    91,742.43x = 6,772,657,620.65
  5. Step 5: Solve for x
    x = 6,772,657,620.65/91,742.43
  6. Step 6: Final answer
    x = 73,822.52

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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.