Home / 74,024.10-111,036.15-69,941.70

Finding the Fourth Proportional to 74,024.10, 111,036.15 and 69,941.70

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Solution

The fourth proportional to 74,024.10, 111,036.15 and 69,941.70 is: 104,912.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,024.10 : 111,036.15 = 69,941.70 : x
  2. Step 2: Convert to fraction form
    74,024.10/111,036.15 = 69,941.70/x
  3. Step 3: Cross multiply
    74,024.10x = 111,036.15 × 69,941.70
  4. Step 4: Simplify right side
    74,024.10x = 7,766,057,092.46
  5. Step 5: Solve for x
    x = 7,766,057,092.46/74,024.10
  6. Step 6: Final answer
    x = 104,912.55

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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.