Home / 54,576.95-75,315.89-30,703.77

Finding the Fourth Proportional to 54,576.95, 75,315.89 and 30,703.77

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Solution

The fourth proportional to 54,576.95, 75,315.89 and 30,703.77 is: 42,371.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,576.95 : 75,315.89 = 30,703.77 : x
  2. Step 2: Convert to fraction form
    54,576.95/75,315.89 = 30,703.77/x
  3. Step 3: Cross multiply
    54,576.95x = 75,315.89 × 30,703.77
  4. Step 4: Simplify right side
    54,576.95x = 2,312,481,840.66
  5. Step 5: Solve for x
    x = 2,312,481,840.66/54,576.95
  6. Step 6: Final answer
    x = 42,371.04

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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.