Home / 112,975.04-155,905.08-62,674.04

Finding the Fourth Proportional to 112,975.04, 155,905.08 and 62,674.04

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Solution

The fourth proportional to 112,975.04, 155,905.08 and 62,674.04 is: 86,489.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,975.04 : 155,905.08 = 62,674.04 : x
  2. Step 2: Convert to fraction form
    112,975.04/155,905.08 = 62,674.04/x
  3. Step 3: Cross multiply
    112,975.04x = 155,905.08 × 62,674.04
  4. Step 4: Simplify right side
    112,975.04x = 9,771,201,220.12
  5. Step 5: Solve for x
    x = 9,771,201,220.12/112,975.04
  6. Step 6: Final answer
    x = 86,489.91

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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.