Home / 75,478.32-104,158.98-43,650.18

Finding the Fourth Proportional to 75,478.32, 104,158.98 and 43,650.18

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Solution

The fourth proportional to 75,478.32, 104,158.98 and 43,650.18 is: 60,236.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,478.32 : 104,158.98 = 43,650.18 : x
  2. Step 2: Convert to fraction form
    75,478.32/104,158.98 = 43,650.18/x
  3. Step 3: Cross multiply
    75,478.32x = 104,158.98 × 43,650.18
  4. Step 4: Simplify right side
    75,478.32x = 4,546,558,225.62
  5. Step 5: Solve for x
    x = 4,546,558,225.62/75,478.32
  6. Step 6: Final answer
    x = 60,236.61

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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.