Home / 77,049.58-106,257.26-59,145.34

Finding the Fourth Proportional to 77,049.58, 106,257.26 and 59,145.34

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Solution

The fourth proportional to 77,049.58, 106,257.26 and 59,145.34 is: 81,565.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,049.58 : 106,257.26 = 59,145.34 : x
  2. Step 2: Convert to fraction form
    77,049.58/106,257.26 = 59,145.34/x
  3. Step 3: Cross multiply
    77,049.58x = 106,257.26 × 59,145.34
  4. Step 4: Simplify right side
    77,049.58x = 6,284,621,770.17
  5. Step 5: Solve for x
    x = 6,284,621,770.17/77,049.58
  6. Step 6: Final answer
    x = 81,565.94

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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.