Home / 91,922.13-126,832.86-53,664.30

Finding the Fourth Proportional to 91,922.13, 126,832.86 and 53,664.30

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Solution

The fourth proportional to 91,922.13, 126,832.86 and 53,664.30 is: 74,045.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,922.13 : 126,832.86 = 53,664.30 : x
  2. Step 2: Convert to fraction form
    91,922.13/126,832.86 = 53,664.30/x
  3. Step 3: Cross multiply
    91,922.13x = 126,832.86 × 53,664.30
  4. Step 4: Simplify right side
    91,922.13x = 6,806,396,648.90
  5. Step 5: Solve for x
    x = 6,806,396,648.90/91,922.13
  6. Step 6: Final answer
    x = 74,045.25

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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.