Home / 109,542.16-151,172.04-61,797.52

Finding the Fourth Proportional to 109,542.16, 151,172.04 and 61,797.52

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Solution

The fourth proportional to 109,542.16, 151,172.04 and 61,797.52 is: 85,282.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,542.16 : 151,172.04 = 61,797.52 : x
  2. Step 2: Convert to fraction form
    109,542.16/151,172.04 = 61,797.52/x
  3. Step 3: Cross multiply
    109,542.16x = 151,172.04 × 61,797.52
  4. Step 4: Simplify right side
    109,542.16x = 9,342,057,165.34
  5. Step 5: Solve for x
    x = 9,342,057,165.34/109,542.16
  6. Step 6: Final answer
    x = 85,282.75

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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.