Home / 74,108.58-111,162.45-29,703.57

Finding the Fourth Proportional to 74,108.58, 111,162.45 and 29,703.57

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Solution

The fourth proportional to 74,108.58, 111,162.45 and 29,703.57 is: 44,555.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,108.58 : 111,162.45 = 29,703.57 : x
  2. Step 2: Convert to fraction form
    74,108.58/111,162.45 = 29,703.57/x
  3. Step 3: Cross multiply
    74,108.58x = 111,162.45 × 29,703.57
  4. Step 4: Simplify right side
    74,108.58x = 3,301,921,614.95
  5. Step 5: Solve for x
    x = 3,301,921,614.95/74,108.58
  6. Step 6: Final answer
    x = 44,555.19

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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.