Home / 91,885.46-126,808.23-51,054.51

Finding the Fourth Proportional to 91,885.46, 126,808.23 and 51,054.51

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Solution

The fourth proportional to 91,885.46, 126,808.23 and 51,054.51 is: 70,458.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,885.46 : 126,808.23 = 51,054.51 : x
  2. Step 2: Convert to fraction form
    91,885.46/126,808.23 = 51,054.51/x
  3. Step 3: Cross multiply
    91,885.46x = 126,808.23 × 51,054.51
  4. Step 4: Simplify right side
    91,885.46x = 6,474,132,046.62
  5. Step 5: Solve for x
    x = 6,474,132,046.62/91,885.46
  6. Step 6: Final answer
    x = 70,458.73

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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.