Home / 77,418.08-106,833.84-45,588.32

Finding the Fourth Proportional to 77,418.08, 106,833.84 and 45,588.32

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Solution

The fourth proportional to 77,418.08, 106,833.84 and 45,588.32 is: 62,910.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,418.08 : 106,833.84 = 45,588.32 : x
  2. Step 2: Convert to fraction form
    77,418.08/106,833.84 = 45,588.32/x
  3. Step 3: Cross multiply
    77,418.08x = 106,833.84 × 45,588.32
  4. Step 4: Simplify right side
    77,418.08x = 4,870,375,284.75
  5. Step 5: Solve for x
    x = 4,870,375,284.75/77,418.08
  6. Step 6: Final answer
    x = 62,910.05

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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.