Home / 75,775.68-104,537.52-53,118.72

Finding the Fourth Proportional to 75,775.68, 104,537.52 and 53,118.72

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Solution

The fourth proportional to 75,775.68, 104,537.52 and 53,118.72 is: 73,280.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,775.68 : 104,537.52 = 53,118.72 : x
  2. Step 2: Convert to fraction form
    75,775.68/104,537.52 = 53,118.72/x
  3. Step 3: Cross multiply
    75,775.68x = 104,537.52 × 53,118.72
  4. Step 4: Simplify right side
    75,775.68x = 5,552,899,254.37
  5. Step 5: Solve for x
    x = 5,552,899,254.37/75,775.68
  6. Step 6: Final answer
    x = 73,280.76

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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.