Home / 88,989.09-122,818.74-50,748.72

Finding the Fourth Proportional to 88,989.09, 122,818.74 and 50,748.72

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Solution

The fourth proportional to 88,989.09, 122,818.74 and 50,748.72 is: 70,041.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,989.09 : 122,818.74 = 50,748.72 : x
  2. Step 2: Convert to fraction form
    88,989.09/122,818.74 = 50,748.72/x
  3. Step 3: Cross multiply
    88,989.09x = 122,818.74 × 50,748.72
  4. Step 4: Simplify right side
    88,989.09x = 6,232,893,847.01
  5. Step 5: Solve for x
    x = 6,232,893,847.01/88,989.09
  6. Step 6: Final answer
    x = 70,041.10

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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.