Home / 60,727.20-91,090.80-31,202.70

Finding the Fourth Proportional to 60,727.20, 91,090.80 and 31,202.70

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Solution

The fourth proportional to 60,727.20, 91,090.80 and 31,202.70 is: 46,804.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,727.20 : 91,090.80 = 31,202.70 : x
  2. Step 2: Convert to fraction form
    60,727.20/91,090.80 = 31,202.70/x
  3. Step 3: Cross multiply
    60,727.20x = 91,090.80 × 31,202.70
  4. Step 4: Simplify right side
    60,727.20x = 2,842,278,905.16
  5. Step 5: Solve for x
    x = 2,842,278,905.16/60,727.20
  6. Step 6: Final answer
    x = 46,804.05

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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.