Home / 54,802.16-75,622.68-30,934.64

Finding the Fourth Proportional to 54,802.16, 75,622.68 and 30,934.64

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Solution

The fourth proportional to 54,802.16, 75,622.68 and 30,934.64 is: 42,687.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,802.16 : 75,622.68 = 30,934.64 : x
  2. Step 2: Convert to fraction form
    54,802.16/75,622.68 = 30,934.64/x
  3. Step 3: Cross multiply
    54,802.16x = 75,622.68 × 30,934.64
  4. Step 4: Simplify right side
    54,802.16x = 2,339,360,381.64
  5. Step 5: Solve for x
    x = 2,339,360,381.64/54,802.16
  6. Step 6: Final answer
    x = 42,687.38

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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.