Home / 55,092.08-76,063.68-42,322.52

Finding the Fourth Proportional to 55,092.08, 76,063.68 and 42,322.52

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Solution

The fourth proportional to 55,092.08, 76,063.68 and 42,322.52 is: 58,433.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,092.08 : 76,063.68 = 42,322.52 : x
  2. Step 2: Convert to fraction form
    55,092.08/76,063.68 = 42,322.52/x
  3. Step 3: Cross multiply
    55,092.08x = 76,063.68 × 42,322.52
  4. Step 4: Simplify right side
    55,092.08x = 3,219,206,618.07
  5. Step 5: Solve for x
    x = 3,219,206,618.07/55,092.08
  6. Step 6: Final answer
    x = 58,433.20

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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.