Home / 88,666.25-122,404.57-68,477.81

Finding the Fourth Proportional to 88,666.25, 122,404.57 and 68,477.81

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Solution

The fourth proportional to 88,666.25, 122,404.57 and 68,477.81 is: 94,534.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,666.25 : 122,404.57 = 68,477.81 : x
  2. Step 2: Convert to fraction form
    88,666.25/122,404.57 = 68,477.81/x
  3. Step 3: Cross multiply
    88,666.25x = 122,404.57 × 68,477.81
  4. Step 4: Simplify right side
    88,666.25x = 8,381,996,104.37
  5. Step 5: Solve for x
    x = 8,381,996,104.37/88,666.25
  6. Step 6: Final answer
    x = 94,534.24

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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.