Home / 74,990.08-112,407-35,500.24

Finding the Fourth Proportional to 74,990.08, 112,407 and 35,500.24

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Solution

The fourth proportional to 74,990.08, 112,407 and 35,500.24 is: 53,213.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,990.08 : 112,407 = 35,500.24 : x
  2. Step 2: Convert to fraction form
    74,990.08/112,407 = 35,500.24/x
  3. Step 3: Cross multiply
    74,990.08x = 112,407 × 35,500.24
  4. Step 4: Simplify right side
    74,990.08x = 3,990,475,477.68
  5. Step 5: Solve for x
    x = 3,990,475,477.68/74,990.08
  6. Step 6: Final answer
    x = 53,213.38

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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.