Home / 75,587.58-104,257.44-64,178.64

Finding the Fourth Proportional to 75,587.58, 104,257.44 and 64,178.64

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Solution

The fourth proportional to 75,587.58, 104,257.44 and 64,178.64 is: 88,521.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,587.58 : 104,257.44 = 64,178.64 : x
  2. Step 2: Convert to fraction form
    75,587.58/104,257.44 = 64,178.64/x
  3. Step 3: Cross multiply
    75,587.58x = 104,257.44 × 64,178.64
  4. Step 4: Simplify right side
    75,587.58x = 6,691,100,709.08
  5. Step 5: Solve for x
    x = 6,691,100,709.08/75,587.58
  6. Step 6: Final answer
    x = 88,521.17

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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.