Home / 91,708.25-137,511.12-46,701.47

Finding the Fourth Proportional to 91,708.25, 137,511.12 and 46,701.47

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Solution

The fourth proportional to 91,708.25, 137,511.12 and 46,701.47 is: 70,026.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,708.25 : 137,511.12 = 46,701.47 : x
  2. Step 2: Convert to fraction form
    91,708.25/137,511.12 = 46,701.47/x
  3. Step 3: Cross multiply
    91,708.25x = 137,511.12 × 46,701.47
  4. Step 4: Simplify right side
    91,708.25x = 6,421,970,874.54
  5. Step 5: Solve for x
    x = 6,421,970,874.54/91,708.25
  6. Step 6: Final answer
    x = 70,026.10

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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.