Home / 74,734.08-112,100.96-30,350.43

Finding the Fourth Proportional to 74,734.08, 112,100.96 and 30,350.43

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Solution

The fourth proportional to 74,734.08, 112,100.96 and 30,350.43 is: 45,525.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,734.08 : 112,100.96 = 30,350.43 : x
  2. Step 2: Convert to fraction form
    74,734.08/112,100.96 = 30,350.43/x
  3. Step 3: Cross multiply
    74,734.08x = 112,100.96 × 30,350.43
  4. Step 4: Simplify right side
    74,734.08x = 3,402,312,415.29
  5. Step 5: Solve for x
    x = 3,402,312,415.29/74,734.08
  6. Step 6: Final answer
    x = 45,525.58

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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.