Home / 91,643.20-137,423.49-32,465.41

Finding the Fourth Proportional to 91,643.20, 137,423.49 and 32,465.41

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Solution

The fourth proportional to 91,643.20, 137,423.49 and 32,465.41 is: 48,683.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,643.20 : 137,423.49 = 32,465.41 : x
  2. Step 2: Convert to fraction form
    91,643.20/137,423.49 = 32,465.41/x
  3. Step 3: Cross multiply
    91,643.20x = 137,423.49 × 32,465.41
  4. Step 4: Simplify right side
    91,643.20x = 4,461,509,481.18
  5. Step 5: Solve for x
    x = 4,461,509,481.18/91,643.20
  6. Step 6: Final answer
    x = 48,683.48

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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.