Home / 91,790.47-137,684.04-25,230.34

Finding the Fourth Proportional to 91,790.47, 137,684.04 and 25,230.34

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Solution

The fourth proportional to 91,790.47, 137,684.04 and 25,230.34 is: 37,845.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,790.47 : 137,684.04 = 25,230.34 : x
  2. Step 2: Convert to fraction form
    91,790.47/137,684.04 = 25,230.34/x
  3. Step 3: Cross multiply
    91,790.47x = 137,684.04 × 25,230.34
  4. Step 4: Simplify right side
    91,790.47x = 3,473,815,141.77
  5. Step 5: Solve for x
    x = 3,473,815,141.77/91,790.47
  6. Step 6: Final answer
    x = 37,845.05

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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.