Home / 69,417.21-95,724.15-59,378.88

Finding the Fourth Proportional to 69,417.21, 95,724.15 and 59,378.88

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Solution

The fourth proportional to 69,417.21, 95,724.15 and 59,378.88 is: 81,881.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,417.21 : 95,724.15 = 59,378.88 : x
  2. Step 2: Convert to fraction form
    69,417.21/95,724.15 = 59,378.88/x
  3. Step 3: Cross multiply
    69,417.21x = 95,724.15 × 59,378.88
  4. Step 4: Simplify right side
    69,417.21x = 5,683,992,815.95
  5. Step 5: Solve for x
    x = 5,683,992,815.95/69,417.21
  6. Step 6: Final answer
    x = 81,881.61

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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.