Home / 112,972.13-155,914.85-62,674.37

Finding the Fourth Proportional to 112,972.13, 155,914.85 and 62,674.37

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Solution

The fourth proportional to 112,972.13, 155,914.85 and 62,674.37 is: 86,498.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,972.13 : 155,914.85 = 62,674.37 : x
  2. Step 2: Convert to fraction form
    112,972.13/155,914.85 = 62,674.37/x
  3. Step 3: Cross multiply
    112,972.13x = 155,914.85 × 62,674.37
  4. Step 4: Simplify right side
    112,972.13x = 9,771,864,684.02
  5. Step 5: Solve for x
    x = 9,771,864,684.02/112,972.13
  6. Step 6: Final answer
    x = 86,498.01

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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.