Home / 88,811.64-122,502.78-52,974

Finding the Fourth Proportional to 88,811.64, 122,502.78 and 52,974

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Solution

The fourth proportional to 88,811.64, 122,502.78 and 52,974 is: 73,069.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,811.64 : 122,502.78 = 52,974 : x
  2. Step 2: Convert to fraction form
    88,811.64/122,502.78 = 52,974/x
  3. Step 3: Cross multiply
    88,811.64x = 122,502.78 × 52,974
  4. Step 4: Simplify right side
    88,811.64x = 6,489,462,267.72
  5. Step 5: Solve for x
    x = 6,489,462,267.72/88,811.64
  6. Step 6: Final answer
    x = 73,069.95

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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.