Home / 74,071.20-111,080.48-26,673.56

Finding the Fourth Proportional to 74,071.20, 111,080.48 and 26,673.56

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Solution

The fourth proportional to 74,071.20, 111,080.48 and 26,673.56 is: 40,000.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,071.20 : 111,080.48 = 26,673.56 : x
  2. Step 2: Convert to fraction form
    74,071.20/111,080.48 = 26,673.56/x
  3. Step 3: Cross multiply
    74,071.20x = 111,080.48 × 26,673.56
  4. Step 4: Simplify right side
    74,071.20x = 2,962,911,848.11
  5. Step 5: Solve for x
    x = 2,962,911,848.11/74,071.20
  6. Step 6: Final answer
    x = 40,000.86

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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.