Home / 91,576.41-137,385.94-28,393.23

Finding the Fourth Proportional to 91,576.41, 137,385.94 and 28,393.23

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Solution

The fourth proportional to 91,576.41, 137,385.94 and 28,393.23 is: 42,596.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,576.41 : 137,385.94 = 28,393.23 : x
  2. Step 2: Convert to fraction form
    91,576.41/137,385.94 = 28,393.23/x
  3. Step 3: Cross multiply
    91,576.41x = 137,385.94 × 28,393.23
  4. Step 4: Simplify right side
    91,576.41x = 3,900,830,593.19
  5. Step 5: Solve for x
    x = 3,900,830,593.19/91,576.41
  6. Step 6: Final answer
    x = 42,596.46

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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.