Home / 75,812.28-113,739-23,220.60

Finding the Fourth Proportional to 75,812.28, 113,739 and 23,220.60

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Solution

The fourth proportional to 75,812.28, 113,739 and 23,220.60 is: 34,837.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,812.28 : 113,739 = 23,220.60 : x
  2. Step 2: Convert to fraction form
    75,812.28/113,739 = 23,220.60/x
  3. Step 3: Cross multiply
    75,812.28x = 113,739 × 23,220.60
  4. Step 4: Simplify right side
    75,812.28x = 2,641,087,823.40
  5. Step 5: Solve for x
    x = 2,641,087,823.40/75,812.28
  6. Step 6: Final answer
    x = 34,837.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.