Home / 84,015.42-125,815.63-62,616.82

Finding the Fourth Proportional to 84,015.42, 125,815.63 and 62,616.82

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Solution

The fourth proportional to 84,015.42, 125,815.63 and 62,616.82 is: 93,770.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,015.42 : 125,815.63 = 62,616.82 : x
  2. Step 2: Convert to fraction form
    84,015.42/125,815.63 = 62,616.82/x
  3. Step 3: Cross multiply
    84,015.42x = 125,815.63 × 62,616.82
  4. Step 4: Simplify right side
    84,015.42x = 7,878,174,656.90
  5. Step 5: Solve for x
    x = 7,878,174,656.90/84,015.42
  6. Step 6: Final answer
    x = 93,770.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.