Home / 91,214.48-125,874.78-50,928.92

Finding the Fourth Proportional to 91,214.48, 125,874.78 and 50,928.92

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Solution

The fourth proportional to 91,214.48, 125,874.78 and 50,928.92 is: 70,281.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,214.48 : 125,874.78 = 50,928.92 : x
  2. Step 2: Convert to fraction form
    91,214.48/125,874.78 = 50,928.92/x
  3. Step 3: Cross multiply
    91,214.48x = 125,874.78 × 50,928.92
  4. Step 4: Simplify right side
    91,214.48x = 6,410,666,600.64
  5. Step 5: Solve for x
    x = 6,410,666,600.64/91,214.48
  6. Step 6: Final answer
    x = 70,281.24

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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.