Home / 112,440.24-155,161.44-62,136

Finding the Fourth Proportional to 112,440.24, 155,161.44 and 62,136

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Solution

The fourth proportional to 112,440.24, 155,161.44 and 62,136 is: 85,744.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,440.24 : 155,161.44 = 62,136 : x
  2. Step 2: Convert to fraction form
    112,440.24/155,161.44 = 62,136/x
  3. Step 3: Cross multiply
    112,440.24x = 155,161.44 × 62,136
  4. Step 4: Simplify right side
    112,440.24x = 9,641,111,235.84
  5. Step 5: Solve for x
    x = 9,641,111,235.84/112,440.24
  6. Step 6: Final answer
    x = 85,744.31

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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.