Home / 53,747.60-74,191.81-40,357.53

Finding the Fourth Proportional to 53,747.60, 74,191.81 and 40,357.53

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Solution

The fourth proportional to 53,747.60, 74,191.81 and 40,357.53 is: 55,708.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,747.60 : 74,191.81 = 40,357.53 : x
  2. Step 2: Convert to fraction form
    53,747.60/74,191.81 = 40,357.53/x
  3. Step 3: Cross multiply
    53,747.60x = 74,191.81 × 40,357.53
  4. Step 4: Simplify right side
    53,747.60x = 2,994,198,096.94
  5. Step 5: Solve for x
    x = 2,994,198,096.94/53,747.60
  6. Step 6: Final answer
    x = 55,708.50

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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.