Home / 91,575.41-137,384.44-28,392.23

Finding the Fourth Proportional to 91,575.41, 137,384.44 and 28,392.23

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Solution

The fourth proportional to 91,575.41, 137,384.44 and 28,392.23 is: 42,594.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,575.41 : 137,384.44 = 28,392.23 : x
  2. Step 2: Convert to fraction form
    91,575.41/137,384.44 = 28,392.23/x
  3. Step 3: Cross multiply
    91,575.41x = 137,384.44 × 28,392.23
  4. Step 4: Simplify right side
    91,575.41x = 3,900,650,891.38
  5. Step 5: Solve for x
    x = 3,900,650,891.38/91,575.41
  6. Step 6: Final answer
    x = 42,594.96

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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.