Home / 104,402.16-144,144.36-61,974.32

Finding the Fourth Proportional to 104,402.16, 144,144.36 and 61,974.32

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Solution

The fourth proportional to 104,402.16, 144,144.36 and 61,974.32 is: 85,565.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,402.16 : 144,144.36 = 61,974.32 : x
  2. Step 2: Convert to fraction form
    104,402.16/144,144.36 = 61,974.32/x
  3. Step 3: Cross multiply
    104,402.16x = 144,144.36 × 61,974.32
  4. Step 4: Simplify right side
    104,402.16x = 8,933,248,692.84
  5. Step 5: Solve for x
    x = 8,933,248,692.84/104,402.16
  6. Step 6: Final answer
    x = 85,565.75

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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.