Home / 103,363.02-155,045.14-36,805.74

Finding the Fourth Proportional to 103,363.02, 155,045.14 and 36,805.74

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Solution

The fourth proportional to 103,363.02, 155,045.14 and 36,805.74 is: 55,208.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,363.02 : 155,045.14 = 36,805.74 : x
  2. Step 2: Convert to fraction form
    103,363.02/155,045.14 = 36,805.74/x
  3. Step 3: Cross multiply
    103,363.02x = 155,045.14 × 36,805.74
  4. Step 4: Simplify right side
    103,363.02x = 5,706,551,111.10
  5. Step 5: Solve for x
    x = 5,706,551,111.10/103,363.02
  6. Step 6: Final answer
    x = 55,208.83

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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.