Home / 91,122.39-125,749.04-50,835.06

Finding the Fourth Proportional to 91,122.39, 125,749.04 and 50,835.06

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Solution

The fourth proportional to 91,122.39, 125,749.04 and 50,835.06 is: 70,152.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,122.39 : 125,749.04 = 50,835.06 : x
  2. Step 2: Convert to fraction form
    91,122.39/125,749.04 = 50,835.06/x
  3. Step 3: Cross multiply
    91,122.39x = 125,749.04 × 50,835.06
  4. Step 4: Simplify right side
    91,122.39x = 6,392,459,739.17
  5. Step 5: Solve for x
    x = 6,392,459,739.17/91,122.39
  6. Step 6: Final answer
    x = 70,152.46

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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.