Home / 74,220.10-111,330.15-49,288.30

Finding the Fourth Proportional to 74,220.10, 111,330.15 and 49,288.30

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Solution

The fourth proportional to 74,220.10, 111,330.15 and 49,288.30 is: 73,932.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,220.10 : 111,330.15 = 49,288.30 : x
  2. Step 2: Convert to fraction form
    74,220.10/111,330.15 = 49,288.30/x
  3. Step 3: Cross multiply
    74,220.10x = 111,330.15 × 49,288.30
  4. Step 4: Simplify right side
    74,220.10x = 5,487,273,832.25
  5. Step 5: Solve for x
    x = 5,487,273,832.25/74,220.10
  6. Step 6: Final answer
    x = 73,932.45

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1.5x scale

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.