Home / 54,931.08-75,802.86-29,780.04

Finding the Fourth Proportional to 54,931.08, 75,802.86 and 29,780.04

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Solution

The fourth proportional to 54,931.08, 75,802.86 and 29,780.04 is: 41,095.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,931.08 : 75,802.86 = 29,780.04 : x
  2. Step 2: Convert to fraction form
    54,931.08/75,802.86 = 29,780.04/x
  3. Step 3: Cross multiply
    54,931.08x = 75,802.86 × 29,780.04
  4. Step 4: Simplify right side
    54,931.08x = 2,257,412,202.91
  5. Step 5: Solve for x
    x = 2,257,412,202.91/54,931.08
  6. Step 6: Final answer
    x = 41,095.35

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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.