Home / 57,601.02-86,410.62-20,160.18

Finding the Fourth Proportional to 57,601.02, 86,410.62 and 20,160.18

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Solution

The fourth proportional to 57,601.02, 86,410.62 and 20,160.18 is: 30,243.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,601.02 : 86,410.62 = 20,160.18 : x
  2. Step 2: Convert to fraction form
    57,601.02/86,410.62 = 20,160.18/x
  3. Step 3: Cross multiply
    57,601.02x = 86,410.62 × 20,160.18
  4. Step 4: Simplify right side
    57,601.02x = 1,742,053,653.11
  5. Step 5: Solve for x
    x = 1,742,053,653.11/57,601.02
  6. Step 6: Final answer
    x = 30,243.45

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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.