Home / 105,767.11-145,904.26-69,463.35

Finding the Fourth Proportional to 105,767.11, 145,904.26 and 69,463.35

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Solution

The fourth proportional to 105,767.11, 145,904.26 and 69,463.35 is: 95,823.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,767.11 : 145,904.26 = 69,463.35 : x
  2. Step 2: Convert to fraction form
    105,767.11/145,904.26 = 69,463.35/x
  3. Step 3: Cross multiply
    105,767.11x = 145,904.26 × 69,463.35
  4. Step 4: Simplify right side
    105,767.11x = 10,134,998,678.87
  5. Step 5: Solve for x
    x = 10,134,998,678.87/105,767.11
  6. Step 6: Final answer
    x = 95,823.73

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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.