Home / 112,973.04-155,902.32-62,672.04

Finding the Fourth Proportional to 112,973.04, 155,902.32 and 62,672.04

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Solution

The fourth proportional to 112,973.04, 155,902.32 and 62,672.04 is: 86,487.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,973.04 : 155,902.32 = 62,672.04 : x
  2. Step 2: Convert to fraction form
    112,973.04/155,902.32 = 62,672.04/x
  3. Step 3: Cross multiply
    112,973.04x = 155,902.32 × 62,672.04
  4. Step 4: Simplify right side
    112,973.04x = 9,770,716,435.13
  5. Step 5: Solve for x
    x = 9,770,716,435.13/112,973.04
  6. Step 6: Final answer
    x = 86,487.15

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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.