Home / 91,525.32-126,315.54-55,736.28

Finding the Fourth Proportional to 91,525.32, 126,315.54 and 55,736.28

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Solution

The fourth proportional to 91,525.32, 126,315.54 and 55,736.28 is: 76,922.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,525.32 : 126,315.54 = 55,736.28 : x
  2. Step 2: Convert to fraction form
    91,525.32/126,315.54 = 55,736.28/x
  3. Step 3: Cross multiply
    91,525.32x = 126,315.54 × 55,736.28
  4. Step 4: Simplify right side
    91,525.32x = 7,040,358,305.79
  5. Step 5: Solve for x
    x = 7,040,358,305.79/91,525.32
  6. Step 6: Final answer
    x = 76,922.52

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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.