Home / 99,051.23-136,669.68-58,778.10

Finding the Fourth Proportional to 99,051.23, 136,669.68 and 58,778.10

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Solution

The fourth proportional to 99,051.23, 136,669.68 and 58,778.10 is: 81,101.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,051.23 : 136,669.68 = 58,778.10 : x
  2. Step 2: Convert to fraction form
    99,051.23/136,669.68 = 58,778.10/x
  3. Step 3: Cross multiply
    99,051.23x = 136,669.68 × 58,778.10
  4. Step 4: Simplify right side
    99,051.23x = 8,033,184,118.01
  5. Step 5: Solve for x
    x = 8,033,184,118.01/99,051.23
  6. Step 6: Final answer
    x = 81,101.30

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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.