Home / 84,531.87-116,647.02-48,724.34

Finding the Fourth Proportional to 84,531.87, 116,647.02 and 48,724.34

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Solution

The fourth proportional to 84,531.87, 116,647.02 and 48,724.34 is: 67,235.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,531.87 : 116,647.02 = 48,724.34 : x
  2. Step 2: Convert to fraction form
    84,531.87/116,647.02 = 48,724.34/x
  3. Step 3: Cross multiply
    84,531.87x = 116,647.02 × 48,724.34
  4. Step 4: Simplify right side
    84,531.87x = 5,683,548,479.23
  5. Step 5: Solve for x
    x = 5,683,548,479.23/84,531.87
  6. Step 6: Final answer
    x = 67,235.57

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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.