Home / 112,995.35-155,935.50-62,012.83

Finding the Fourth Proportional to 112,995.35, 155,935.50 and 62,012.83

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Solution

The fourth proportional to 112,995.35, 155,935.50 and 62,012.83 is: 85,578.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,995.35 : 155,935.50 = 62,012.83 : x
  2. Step 2: Convert to fraction form
    112,995.35/155,935.50 = 62,012.83/x
  3. Step 3: Cross multiply
    112,995.35x = 155,935.50 × 62,012.83
  4. Step 4: Simplify right side
    112,995.35x = 9,670,001,262.63
  5. Step 5: Solve for x
    x = 9,670,001,262.63/112,995.35
  6. Step 6: Final answer
    x = 85,578.75

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1.5x scale

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.