Home / 91,117.44-125,742.20-52,884.45

Finding the Fourth Proportional to 91,117.44, 125,742.20 and 52,884.45

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Solution

The fourth proportional to 91,117.44, 125,742.20 and 52,884.45 is: 72,980.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,117.44 : 125,742.20 = 52,884.45 : x
  2. Step 2: Convert to fraction form
    91,117.44/125,742.20 = 52,884.45/x
  3. Step 3: Cross multiply
    91,117.44x = 125,742.20 × 52,884.45
  4. Step 4: Simplify right side
    91,117.44x = 6,649,806,824.37
  5. Step 5: Solve for x
    x = 6,649,806,824.37/91,117.44
  6. Step 6: Final answer
    x = 72,980.62

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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.