Home / 103,936.91-143,430.93-58,614.08

Finding the Fourth Proportional to 103,936.91, 143,430.93 and 58,614.08

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Solution

The fourth proportional to 103,936.91, 143,430.93 and 58,614.08 is: 80,886.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,936.91 : 143,430.93 = 58,614.08 : x
  2. Step 2: Convert to fraction form
    103,936.91/143,430.93 = 58,614.08/x
  3. Step 3: Cross multiply
    103,936.91x = 143,430.93 × 58,614.08
  4. Step 4: Simplify right side
    103,936.91x = 8,407,071,288.34
  5. Step 5: Solve for x
    x = 8,407,071,288.34/103,936.91
  6. Step 6: Final answer
    x = 80,886.30

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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.