Home / 112,509.88-155,269.02-62,212.12

Finding the Fourth Proportional to 112,509.88, 155,269.02 and 62,212.12

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Solution

The fourth proportional to 112,509.88, 155,269.02 and 62,212.12 is: 85,855.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,509.88 : 155,269.02 = 62,212.12 : x
  2. Step 2: Convert to fraction form
    112,509.88/155,269.02 = 62,212.12/x
  3. Step 3: Cross multiply
    112,509.88x = 155,269.02 × 62,212.12
  4. Step 4: Simplify right side
    112,509.88x = 9,659,614,904.52
  5. Step 5: Solve for x
    x = 9,659,614,904.52/112,509.88
  6. Step 6: Final answer
    x = 85,855.70

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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.