Home / 88,989.22-122,802.64-52,692.49

Finding the Fourth Proportional to 88,989.22, 122,802.64 and 52,692.49

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Solution

The fourth proportional to 88,989.22, 122,802.64 and 52,692.49 is: 72,714.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,989.22 : 122,802.64 = 52,692.49 : x
  2. Step 2: Convert to fraction form
    88,989.22/122,802.64 = 52,692.49/x
  3. Step 3: Cross multiply
    88,989.22x = 122,802.64 × 52,692.49
  4. Step 4: Simplify right side
    88,989.22x = 6,470,776,880.17
  5. Step 5: Solve for x
    x = 6,470,776,880.17/88,989.22
  6. Step 6: Final answer
    x = 72,714.17

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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.