Home / 53,440.06-73,725.85-30,766.89

Finding the Fourth Proportional to 53,440.06, 73,725.85 and 30,766.89

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Solution

The fourth proportional to 53,440.06, 73,725.85 and 30,766.89 is: 42,445.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,440.06 : 73,725.85 = 30,766.89 : x
  2. Step 2: Convert to fraction form
    53,440.06/73,725.85 = 30,766.89/x
  3. Step 3: Cross multiply
    53,440.06x = 73,725.85 × 30,766.89
  4. Step 4: Simplify right side
    53,440.06x = 2,268,314,671.56
  5. Step 5: Solve for x
    x = 2,268,314,671.56/53,440.06
  6. Step 6: Final answer
    x = 42,445.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.