Home / 59,231.52-81,758.16-57,261.60

Finding the Fourth Proportional to 59,231.52, 81,758.16 and 57,261.60

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Solution

The fourth proportional to 59,231.52, 81,758.16 and 57,261.60 is: 79,039.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,231.52 : 81,758.16 = 57,261.60 : x
  2. Step 2: Convert to fraction form
    59,231.52/81,758.16 = 57,261.60/x
  3. Step 3: Cross multiply
    59,231.52x = 81,758.16 × 57,261.60
  4. Step 4: Simplify right side
    59,231.52x = 4,681,603,054.66
  5. Step 5: Solve for x
    x = 4,681,603,054.66/59,231.52
  6. Step 6: Final answer
    x = 79,039.05

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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.