Home / 91,834.58-126,744.51-51,007.88

Finding the Fourth Proportional to 91,834.58, 126,744.51 and 51,007.88

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Solution

The fourth proportional to 91,834.58, 126,744.51 and 51,007.88 is: 70,397.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,834.58 : 126,744.51 = 51,007.88 : x
  2. Step 2: Convert to fraction form
    91,834.58/126,744.51 = 51,007.88/x
  3. Step 3: Cross multiply
    91,834.58x = 126,744.51 × 51,007.88
  4. Step 4: Simplify right side
    91,834.58x = 6,464,968,123.02
  5. Step 5: Solve for x
    x = 6,464,968,123.02/91,834.58
  6. Step 6: Final answer
    x = 70,397.98

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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.