Home / 66,338.18-91,547.78-36,124.09

Finding the Fourth Proportional to 66,338.18, 91,547.78 and 36,124.09

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Solution

The fourth proportional to 66,338.18, 91,547.78 and 36,124.09 is: 49,851.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,338.18 : 91,547.78 = 36,124.09 : x
  2. Step 2: Convert to fraction form
    66,338.18/91,547.78 = 36,124.09/x
  3. Step 3: Cross multiply
    66,338.18x = 91,547.78 × 36,124.09
  4. Step 4: Simplify right side
    66,338.18x = 3,307,080,244.02
  5. Step 5: Solve for x
    x = 3,307,080,244.02/66,338.18
  6. Step 6: Final answer
    x = 49,851.84

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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.