Home / 79,141.16-109,216.08-43,330.52

Finding the Fourth Proportional to 79,141.16, 109,216.08 and 43,330.52

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Solution

The fourth proportional to 79,141.16, 109,216.08 and 43,330.52 is: 59,796.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,141.16 : 109,216.08 = 43,330.52 : x
  2. Step 2: Convert to fraction form
    79,141.16/109,216.08 = 43,330.52/x
  3. Step 3: Cross multiply
    79,141.16x = 109,216.08 × 43,330.52
  4. Step 4: Simplify right side
    79,141.16x = 4,732,389,538.76
  5. Step 5: Solve for x
    x = 4,732,389,538.76/79,141.16
  6. Step 6: Final answer
    x = 59,796.82

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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.