Home / 83,660.34-125,323.86-61,218.30

Finding the Fourth Proportional to 83,660.34, 125,323.86 and 61,218.30

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Solution

The fourth proportional to 83,660.34, 125,323.86 and 61,218.30 is: 91,705.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,660.34 : 125,323.86 = 61,218.30 : x
  2. Step 2: Convert to fraction form
    83,660.34/125,323.86 = 61,218.30/x
  3. Step 3: Cross multiply
    83,660.34x = 125,323.86 × 61,218.30
  4. Step 4: Simplify right side
    83,660.34x = 7,672,113,658.64
  5. Step 5: Solve for x
    x = 7,672,113,658.64/83,660.34
  6. Step 6: Final answer
    x = 91,705.50

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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.