Home / 80,837.19-111,546.80-46,856.34

Finding the Fourth Proportional to 80,837.19, 111,546.80 and 46,856.34

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Solution

The fourth proportional to 80,837.19, 111,546.80 and 46,856.34 is: 64,656.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,837.19 : 111,546.80 = 46,856.34 : x
  2. Step 2: Convert to fraction form
    80,837.19/111,546.80 = 46,856.34/x
  3. Step 3: Cross multiply
    80,837.19x = 111,546.80 × 46,856.34
  4. Step 4: Simplify right side
    80,837.19x = 5,226,674,991.71
  5. Step 5: Solve for x
    x = 5,226,674,991.71/80,837.19
  6. Step 6: Final answer
    x = 64,656.81

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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.