Home / 112,922.07-155,832.45-62,621.07

Finding the Fourth Proportional to 112,922.07, 155,832.45 and 62,621.07

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Solution

The fourth proportional to 112,922.07, 155,832.45 and 62,621.07 is: 86,417.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,922.07 : 155,832.45 = 62,621.07 : x
  2. Step 2: Convert to fraction form
    112,922.07/155,832.45 = 62,621.07/x
  3. Step 3: Cross multiply
    112,922.07x = 155,832.45 × 62,621.07
  4. Step 4: Simplify right side
    112,922.07x = 9,758,394,759.72
  5. Step 5: Solve for x
    x = 9,758,394,759.72/112,922.07
  6. Step 6: Final answer
    x = 86,417.07

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1.5x scale

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.