Home / 84,854.04-117,100.45-49,045.56

Finding the Fourth Proportional to 84,854.04, 117,100.45 and 49,045.56

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Solution

The fourth proportional to 84,854.04, 117,100.45 and 49,045.56 is: 67,683.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,854.04 : 117,100.45 = 49,045.56 : x
  2. Step 2: Convert to fraction form
    84,854.04/117,100.45 = 49,045.56/x
  3. Step 3: Cross multiply
    84,854.04x = 117,100.45 × 49,045.56
  4. Step 4: Simplify right side
    84,854.04x = 5,743,257,146.50
  5. Step 5: Solve for x
    x = 5,743,257,146.50/84,854.04
  6. Step 6: Final answer
    x = 67,683.96

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1.5x scale

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.