Home / 79,263.28-109,365.36-53,773.12

Finding the Fourth Proportional to 79,263.28, 109,365.36 and 53,773.12

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Solution

The fourth proportional to 79,263.28, 109,365.36 and 53,773.12 is: 74,194.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,263.28 : 109,365.36 = 53,773.12 : x
  2. Step 2: Convert to fraction form
    79,263.28/109,365.36 = 53,773.12/x
  3. Step 3: Cross multiply
    79,263.28x = 109,365.36 × 53,773.12
  4. Step 4: Simplify right side
    79,263.28x = 5,880,916,627.12
  5. Step 5: Solve for x
    x = 5,880,916,627.12/79,263.28
  6. Step 6: Final answer
    x = 74,194.72

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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.