Home / 103,921.32-143,399.24-58,596.62

Finding the Fourth Proportional to 103,921.32, 143,399.24 and 58,596.62

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Solution

The fourth proportional to 103,921.32, 143,399.24 and 58,596.62 is: 80,856.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,921.32 : 143,399.24 = 58,596.62 : x
  2. Step 2: Convert to fraction form
    103,921.32/143,399.24 = 58,596.62/x
  3. Step 3: Cross multiply
    103,921.32x = 143,399.24 × 58,596.62
  4. Step 4: Simplify right side
    103,921.32x = 8,402,710,774.57
  5. Step 5: Solve for x
    x = 8,402,710,774.57/103,921.32
  6. Step 6: Final answer
    x = 80,856.47

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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.