Home / 84,854.52-117,126.69-61,050.39

Finding the Fourth Proportional to 84,854.52, 117,126.69 and 61,050.39

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Solution

The fourth proportional to 84,854.52, 117,126.69 and 61,050.39 is: 84,269.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,854.52 : 117,126.69 = 61,050.39 : x
  2. Step 2: Convert to fraction form
    84,854.52/117,126.69 = 61,050.39/x
  3. Step 3: Cross multiply
    84,854.52x = 117,126.69 × 61,050.39
  4. Step 4: Simplify right side
    84,854.52x = 7,150,630,103.91
  5. Step 5: Solve for x
    x = 7,150,630,103.91/84,854.52
  6. Step 6: Final answer
    x = 84,269.29

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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.