Home / 104,005.92-143,527.74-56,259.38

Finding the Fourth Proportional to 104,005.92, 143,527.74 and 56,259.38

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Solution

The fourth proportional to 104,005.92, 143,527.74 and 56,259.38 is: 77,637.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,005.92 : 143,527.74 = 56,259.38 : x
  2. Step 2: Convert to fraction form
    104,005.92/143,527.74 = 56,259.38/x
  3. Step 3: Cross multiply
    104,005.92x = 143,527.74 × 56,259.38
  4. Step 4: Simplify right side
    104,005.92x = 8,074,781,665.20
  5. Step 5: Solve for x
    x = 8,074,781,665.20/104,005.92
  6. Step 6: Final answer
    x = 77,637.71

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1.5x scale

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.