Home / 54,441.92-75,130.74-30,568.08

Finding the Fourth Proportional to 54,441.92, 75,130.74 and 30,568.08

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Solution

The fourth proportional to 54,441.92, 75,130.74 and 30,568.08 is: 42,184.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,441.92 : 75,130.74 = 30,568.08 : x
  2. Step 2: Convert to fraction form
    54,441.92/75,130.74 = 30,568.08/x
  3. Step 3: Cross multiply
    54,441.92x = 75,130.74 × 30,568.08
  4. Step 4: Simplify right side
    54,441.92x = 2,296,602,752.52
  5. Step 5: Solve for x
    x = 2,296,602,752.52/54,441.92
  6. Step 6: Final answer
    x = 42,184.45

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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.