Home / 74,428.20-111,680.28-49,485.24

Finding the Fourth Proportional to 74,428.20, 111,680.28 and 49,485.24

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Solution

The fourth proportional to 74,428.20, 111,680.28 and 49,485.24 is: 74,253.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,428.20 : 111,680.28 = 49,485.24 : x
  2. Step 2: Convert to fraction form
    74,428.20/111,680.28 = 49,485.24/x
  3. Step 3: Cross multiply
    74,428.20x = 111,680.28 × 49,485.24
  4. Step 4: Simplify right side
    74,428.20x = 5,526,525,459.07
  5. Step 5: Solve for x
    x = 5,526,525,459.07/74,428.20
  6. Step 6: Final answer
    x = 74,253.11

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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.