Home / 83,683.41-115,482.66-45,442.62

Finding the Fourth Proportional to 83,683.41, 115,482.66 and 45,442.62

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Solution

The fourth proportional to 83,683.41, 115,482.66 and 45,442.62 is: 62,710.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,683.41 : 115,482.66 = 45,442.62 : x
  2. Step 2: Convert to fraction form
    83,683.41/115,482.66 = 45,442.62/x
  3. Step 3: Cross multiply
    83,683.41x = 115,482.66 × 45,442.62
  4. Step 4: Simplify right side
    83,683.41x = 5,247,834,634.97
  5. Step 5: Solve for x
    x = 5,247,834,634.97/83,683.41
  6. Step 6: Final answer
    x = 62,710.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.