Home / 91,525.12-126,309.60-55,709.44

Finding the Fourth Proportional to 91,525.12, 126,309.60 and 55,709.44

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Solution

The fourth proportional to 91,525.12, 126,309.60 and 55,709.44 is: 76,882.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,525.12 : 126,309.60 = 55,709.44 : x
  2. Step 2: Convert to fraction form
    91,525.12/126,309.60 = 55,709.44/x
  3. Step 3: Cross multiply
    91,525.12x = 126,309.60 × 55,709.44
  4. Step 4: Simplify right side
    91,525.12x = 7,036,637,082.62
  5. Step 5: Solve for x
    x = 7,036,637,082.62/91,525.12
  6. Step 6: Final answer
    x = 76,882.03

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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.