Home / 106,881.12-147,453.08-61,534.77

Finding the Fourth Proportional to 106,881.12, 147,453.08 and 61,534.77

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Solution

The fourth proportional to 106,881.12, 147,453.08 and 61,534.77 is: 84,893.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,881.12 : 147,453.08 = 61,534.77 : x
  2. Step 2: Convert to fraction form
    106,881.12/147,453.08 = 61,534.77/x
  3. Step 3: Cross multiply
    106,881.12x = 147,453.08 × 61,534.77
  4. Step 4: Simplify right side
    106,881.12x = 9,073,491,055.92
  5. Step 5: Solve for x
    x = 9,073,491,055.92/106,881.12
  6. Step 6: Final answer
    x = 84,893.30

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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.