Home / 84,911.06-117,147.40-50,930.55

Finding the Fourth Proportional to 84,911.06, 117,147.40 and 50,930.55

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Solution

The fourth proportional to 84,911.06, 117,147.40 and 50,930.55 is: 70,266.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,911.06 : 117,147.40 = 50,930.55 : x
  2. Step 2: Convert to fraction form
    84,911.06/117,147.40 = 50,930.55/x
  3. Step 3: Cross multiply
    84,911.06x = 117,147.40 × 50,930.55
  4. Step 4: Simplify right side
    84,911.06x = 5,966,381,385.74
  5. Step 5: Solve for x
    x = 5,966,381,385.74/84,911.06
  6. Step 6: Final answer
    x = 70,266.24

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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.