Home / 104,091.18-143,646.26-61,646.97

Finding the Fourth Proportional to 104,091.18, 143,646.26 and 61,646.97

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Solution

The fourth proportional to 104,091.18, 143,646.26 and 61,646.97 is: 85,073.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,091.18 : 143,646.26 = 61,646.97 : x
  2. Step 2: Convert to fraction form
    104,091.18/143,646.26 = 61,646.97/x
  3. Step 3: Cross multiply
    104,091.18x = 143,646.26 × 61,646.97
  4. Step 4: Simplify right side
    104,091.18x = 8,855,357,258.04
  5. Step 5: Solve for x
    x = 8,855,357,258.04/104,091.18
  6. Step 6: Final answer
    x = 85,073.08

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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.