Home / 91,425.26-137,088.58-41,478.10

Finding the Fourth Proportional to 91,425.26, 137,088.58 and 41,478.10

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Solution

The fourth proportional to 91,425.26, 137,088.58 and 41,478.10 is: 62,194.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,425.26 : 137,088.58 = 41,478.10 : x
  2. Step 2: Convert to fraction form
    91,425.26/137,088.58 = 41,478.10/x
  3. Step 3: Cross multiply
    91,425.26x = 137,088.58 × 41,478.10
  4. Step 4: Simplify right side
    91,425.26x = 5,686,173,730.36
  5. Step 5: Solve for x
    x = 5,686,173,730.36/91,425.26
  6. Step 6: Final answer
    x = 62,194.78

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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.