Home / 103,547.11-155,290.02-44,369.05

Finding the Fourth Proportional to 103,547.11, 155,290.02 and 44,369.05

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Solution

The fourth proportional to 103,547.11, 155,290.02 and 44,369.05 is: 66,540.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,547.11 : 155,290.02 = 44,369.05 : x
  2. Step 2: Convert to fraction form
    103,547.11/155,290.02 = 44,369.05/x
  3. Step 3: Cross multiply
    103,547.11x = 155,290.02 × 44,369.05
  4. Step 4: Simplify right side
    103,547.11x = 6,890,070,661.88
  5. Step 5: Solve for x
    x = 6,890,070,661.88/103,547.11
  6. Step 6: Final answer
    x = 66,540.44

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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.