Home / 112,995.18-155,933.60-62,008.29

Finding the Fourth Proportional to 112,995.18, 155,933.60 and 62,008.29

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Solution

The fourth proportional to 112,995.18, 155,933.60 and 62,008.29 is: 85,571.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,995.18 : 155,933.60 = 62,008.29 : x
  2. Step 2: Convert to fraction form
    112,995.18/155,933.60 = 62,008.29/x
  3. Step 3: Cross multiply
    112,995.18x = 155,933.60 × 62,008.29
  4. Step 4: Simplify right side
    112,995.18x = 9,669,175,579.50
  5. Step 5: Solve for x
    x = 9,669,175,579.50/112,995.18
  6. Step 6: Final answer
    x = 85,571.58

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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.