Home / 54,345.40-81,430.62-33,525.16

Finding the Fourth Proportional to 54,345.40, 81,430.62 and 33,525.16

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Solution

The fourth proportional to 54,345.40, 81,430.62 and 33,525.16 is: 50,233.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,345.40 : 81,430.62 = 33,525.16 : x
  2. Step 2: Convert to fraction form
    54,345.40/81,430.62 = 33,525.16/x
  3. Step 3: Cross multiply
    54,345.40x = 81,430.62 × 33,525.16
  4. Step 4: Simplify right side
    54,345.40x = 2,729,974,564.40
  5. Step 5: Solve for x
    x = 2,729,974,564.40/54,345.40
  6. Step 6: Final answer
    x = 50,233.77

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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.