Home / 64,220.04-88,653.96-48,310.56

Finding the Fourth Proportional to 64,220.04, 88,653.96 and 48,310.56

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Solution

The fourth proportional to 64,220.04, 88,653.96 and 48,310.56 is: 66,691.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,220.04 : 88,653.96 = 48,310.56 : x
  2. Step 2: Convert to fraction form
    64,220.04/88,653.96 = 48,310.56/x
  3. Step 3: Cross multiply
    64,220.04x = 88,653.96 × 48,310.56
  4. Step 4: Simplify right side
    64,220.04x = 4,282,922,453.82
  5. Step 5: Solve for x
    x = 4,282,922,453.82/64,220.04
  6. Step 6: Final answer
    x = 66,691.37

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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.