Home / 112,364.13-155,057.09-62,062.05

Finding the Fourth Proportional to 112,364.13, 155,057.09 and 62,062.05

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Solution

The fourth proportional to 112,364.13, 155,057.09 and 62,062.05 is: 85,642.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,364.13 : 155,057.09 = 62,062.05 : x
  2. Step 2: Convert to fraction form
    112,364.13/155,057.09 = 62,062.05/x
  3. Step 3: Cross multiply
    112,364.13x = 155,057.09 × 62,062.05
  4. Step 4: Simplify right side
    112,364.13x = 9,623,160,562.12
  5. Step 5: Solve for x
    x = 9,623,160,562.12/112,364.13
  6. Step 6: Final answer
    x = 85,642.64

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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.