Home / 88,904.71-122,690.63-50,663.44

Finding the Fourth Proportional to 88,904.71, 122,690.63 and 50,663.44

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Solution

The fourth proportional to 88,904.71, 122,690.63 and 50,663.44 is: 69,916.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,904.71 : 122,690.63 = 50,663.44 : x
  2. Step 2: Convert to fraction form
    88,904.71/122,690.63 = 50,663.44/x
  3. Step 3: Cross multiply
    88,904.71x = 122,690.63 × 50,663.44
  4. Step 4: Simplify right side
    88,904.71x = 6,215,929,191.50
  5. Step 5: Solve for x
    x = 6,215,929,191.50/88,904.71
  6. Step 6: Final answer
    x = 69,916.76

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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.