Home / 54,664.29-75,423.47-30,790.95

Finding the Fourth Proportional to 54,664.29, 75,423.47 and 30,790.95

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Solution

The fourth proportional to 54,664.29, 75,423.47 and 30,790.95 is: 42,484.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,664.29 : 75,423.47 = 30,790.95 : x
  2. Step 2: Convert to fraction form
    54,664.29/75,423.47 = 30,790.95/x
  3. Step 3: Cross multiply
    54,664.29x = 75,423.47 × 30,790.95
  4. Step 4: Simplify right side
    54,664.29x = 2,322,360,139.64
  5. Step 5: Solve for x
    x = 2,322,360,139.64/54,664.29
  6. Step 6: Final answer
    x = 42,484.04

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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.