Home / 91,323.83-126,065.68-55,525.27

Finding the Fourth Proportional to 91,323.83, 126,065.68 and 55,525.27

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Solution

The fourth proportional to 91,323.83, 126,065.68 and 55,525.27 is: 76,648.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,323.83 : 126,065.68 = 55,525.27 : x
  2. Step 2: Convert to fraction form
    91,323.83/126,065.68 = 55,525.27/x
  3. Step 3: Cross multiply
    91,323.83x = 126,065.68 × 55,525.27
  4. Step 4: Simplify right side
    91,323.83x = 6,999,830,919.73
  5. Step 5: Solve for x
    x = 6,999,830,919.73/91,323.83
  6. Step 6: Final answer
    x = 76,648.46

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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.