Home / 103,663.38-143,056.06-58,342.26

Finding the Fourth Proportional to 103,663.38, 143,056.06 and 58,342.26

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Solution

The fourth proportional to 103,663.38, 143,056.06 and 58,342.26 is: 80,512.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,663.38 : 143,056.06 = 58,342.26 : x
  2. Step 2: Convert to fraction form
    103,663.38/143,056.06 = 58,342.26/x
  3. Step 3: Cross multiply
    103,663.38x = 143,056.06 × 58,342.26
  4. Step 4: Simplify right side
    103,663.38x = 8,346,213,847.10
  5. Step 5: Solve for x
    x = 8,346,213,847.10/103,663.38
  6. Step 6: Final answer
    x = 80,512.65

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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.