Home / 71,792.02-107,688.01-19,200.14

Finding the Fourth Proportional to 71,792.02, 107,688.01 and 19,200.14

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Solution

The fourth proportional to 71,792.02, 107,688.01 and 19,200.14 is: 28,800.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,792.02 : 107,688.01 = 19,200.14 : x
  2. Step 2: Convert to fraction form
    71,792.02/107,688.01 = 19,200.14/x
  3. Step 3: Cross multiply
    71,792.02x = 107,688.01 × 19,200.14
  4. Step 4: Simplify right side
    71,792.02x = 2,067,624,772.32
  5. Step 5: Solve for x
    x = 2,067,624,772.32/71,792.02
  6. Step 6: Final answer
    x = 28,800.20

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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.