Home / 103,563.03-155,295.47-36,071.53

Finding the Fourth Proportional to 103,563.03, 155,295.47 and 36,071.53

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Solution

The fourth proportional to 103,563.03, 155,295.47 and 36,071.53 is: 54,090.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,563.03 : 155,295.47 = 36,071.53 : x
  2. Step 2: Convert to fraction form
    103,563.03/155,295.47 = 36,071.53/x
  3. Step 3: Cross multiply
    103,563.03x = 155,295.47 × 36,071.53
  4. Step 4: Simplify right side
    103,563.03x = 5,601,745,024.61
  5. Step 5: Solve for x
    x = 5,601,745,024.61/103,563.03
  6. Step 6: Final answer
    x = 54,090.20

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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.