Home / 66,608.10-99,961.46-31,547.85

Finding the Fourth Proportional to 66,608.10, 99,961.46 and 31,547.85

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Solution

The fourth proportional to 66,608.10, 99,961.46 and 31,547.85 is: 47,345.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,608.10 : 99,961.46 = 31,547.85 : x
  2. Step 2: Convert to fraction form
    66,608.10/99,961.46 = 31,547.85/x
  3. Step 3: Cross multiply
    66,608.10x = 99,961.46 × 31,547.85
  4. Step 4: Simplify right side
    66,608.10x = 3,153,568,988.12
  5. Step 5: Solve for x
    x = 3,153,568,988.12/66,608.10
  6. Step 6: Final answer
    x = 47,345.13

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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.