Home / 70,529.14-105,724.72-25,536.88

Finding the Fourth Proportional to 70,529.14, 105,724.72 and 25,536.88

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Solution

The fourth proportional to 70,529.14, 105,724.72 and 25,536.88 is: 38,280.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,529.14 : 105,724.72 = 25,536.88 : x
  2. Step 2: Convert to fraction form
    70,529.14/105,724.72 = 25,536.88/x
  3. Step 3: Cross multiply
    70,529.14x = 105,724.72 × 25,536.88
  4. Step 4: Simplify right side
    70,529.14x = 2,699,878,831.37
  5. Step 5: Solve for x
    x = 2,699,878,831.37/70,529.14
  6. Step 6: Final answer
    x = 38,280.33

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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.