Home / 88,713.84-122,424.24-54,708.72

Finding the Fourth Proportional to 88,713.84, 122,424.24 and 54,708.72

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Solution

The fourth proportional to 88,713.84, 122,424.24 and 54,708.72 is: 75,497.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,713.84 : 122,424.24 = 54,708.72 : x
  2. Step 2: Convert to fraction form
    88,713.84/122,424.24 = 54,708.72/x
  3. Step 3: Cross multiply
    88,713.84x = 122,424.24 × 54,708.72
  4. Step 4: Simplify right side
    88,713.84x = 6,697,673,467.37
  5. Step 5: Solve for x
    x = 6,697,673,467.37/88,713.84
  6. Step 6: Final answer
    x = 75,497.50

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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.