Home / 66,547.43-99,708.40-40,196.81

Finding the Fourth Proportional to 66,547.43, 99,708.40 and 40,196.81

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Solution

The fourth proportional to 66,547.43, 99,708.40 and 40,196.81 is: 60,227.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,547.43 : 99,708.40 = 40,196.81 : x
  2. Step 2: Convert to fraction form
    66,547.43/99,708.40 = 40,196.81/x
  3. Step 3: Cross multiply
    66,547.43x = 99,708.40 × 40,196.81
  4. Step 4: Simplify right side
    66,547.43x = 4,007,959,909.72
  5. Step 5: Solve for x
    x = 4,007,959,909.72/66,547.43
  6. Step 6: Final answer
    x = 60,227.12

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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.