Home / 74,023.10-111,034.65-69,940.70

Finding the Fourth Proportional to 74,023.10, 111,034.65 and 69,940.70

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Solution

The fourth proportional to 74,023.10, 111,034.65 and 69,940.70 is: 104,911.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,023.10 : 111,034.65 = 69,940.70 : x
  2. Step 2: Convert to fraction form
    74,023.10/111,034.65 = 69,940.70/x
  3. Step 3: Cross multiply
    74,023.10x = 111,034.65 × 69,940.70
  4. Step 4: Simplify right side
    74,023.10x = 7,765,841,145.26
  5. Step 5: Solve for x
    x = 7,765,841,145.26/74,023.10
  6. Step 6: Final answer
    x = 104,911.05

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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.