Home / 112,887.16-155,791.30-62,586.16

Finding the Fourth Proportional to 112,887.16, 155,791.30 and 62,586.16

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Solution

The fourth proportional to 112,887.16, 155,791.30 and 62,586.16 is: 86,372.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,887.16 : 155,791.30 = 62,586.16 : x
  2. Step 2: Convert to fraction form
    112,887.16/155,791.30 = 62,586.16/x
  3. Step 3: Cross multiply
    112,887.16x = 155,791.30 × 62,586.16
  4. Step 4: Simplify right side
    112,887.16x = 9,750,379,228.41
  5. Step 5: Solve for x
    x = 9,750,379,228.41/112,887.16
  6. Step 6: Final answer
    x = 86,372.79

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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.