Home / 66,071.44-99,103.32-48,320.08

Finding the Fourth Proportional to 66,071.44, 99,103.32 and 48,320.08

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Solution

The fourth proportional to 66,071.44, 99,103.32 and 48,320.08 is: 72,477.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,071.44 : 99,103.32 = 48,320.08 : x
  2. Step 2: Convert to fraction form
    66,071.44/99,103.32 = 48,320.08/x
  3. Step 3: Cross multiply
    66,071.44x = 99,103.32 × 48,320.08
  4. Step 4: Simplify right side
    66,071.44x = 4,788,680,350.67
  5. Step 5: Solve for x
    x = 4,788,680,350.67/66,071.44
  6. Step 6: Final answer
    x = 72,477.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.