Home / 91,615.46-137,464.50-58,326.89

Finding the Fourth Proportional to 91,615.46, 137,464.50 and 58,326.89

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Solution

The fourth proportional to 91,615.46, 137,464.50 and 58,326.89 is: 87,516.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,615.46 : 137,464.50 = 58,326.89 : x
  2. Step 2: Convert to fraction form
    91,615.46/137,464.50 = 58,326.89/x
  3. Step 3: Cross multiply
    91,615.46x = 137,464.50 × 58,326.89
  4. Step 4: Simplify right side
    91,615.46x = 8,017,876,770.41
  5. Step 5: Solve for x
    x = 8,017,876,770.41/91,615.46
  6. Step 6: Final answer
    x = 87,516.63

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1.5x scale

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.