Home / 54,327.12-74,970.48-30,127.92

Finding the Fourth Proportional to 54,327.12, 74,970.48 and 30,127.92

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Solution

The fourth proportional to 54,327.12, 74,970.48 and 30,127.92 is: 41,576.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,327.12 : 74,970.48 = 30,127.92 : x
  2. Step 2: Convert to fraction form
    54,327.12/74,970.48 = 30,127.92/x
  3. Step 3: Cross multiply
    54,327.12x = 74,970.48 × 30,127.92
  4. Step 4: Simplify right side
    54,327.12x = 2,258,704,623.80
  5. Step 5: Solve for x
    x = 2,258,704,623.80/54,327.12
  6. Step 6: Final answer
    x = 41,576.01

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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.