Home / 91,023.60-125,575.74-55,200.54

Finding the Fourth Proportional to 91,023.60, 125,575.74 and 55,200.54

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Solution

The fourth proportional to 91,023.60, 125,575.74 and 55,200.54 is: 76,154.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,023.60 : 125,575.74 = 55,200.54 : x
  2. Step 2: Convert to fraction form
    91,023.60/125,575.74 = 55,200.54/x
  3. Step 3: Cross multiply
    91,023.60x = 125,575.74 × 55,200.54
  4. Step 4: Simplify right side
    91,023.60x = 6,931,848,658.90
  5. Step 5: Solve for x
    x = 6,931,848,658.90/91,023.60
  6. Step 6: Final answer
    x = 76,154.41

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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.