Home / 57,798.20-86,697.30-42,246.20

Finding the Fourth Proportional to 57,798.20, 86,697.30 and 42,246.20

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Solution

The fourth proportional to 57,798.20, 86,697.30 and 42,246.20 is: 63,369.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,798.20 : 86,697.30 = 42,246.20 : x
  2. Step 2: Convert to fraction form
    57,798.20/86,697.30 = 42,246.20/x
  3. Step 3: Cross multiply
    57,798.20x = 86,697.30 × 42,246.20
  4. Step 4: Simplify right side
    57,798.20x = 3,662,631,475.26
  5. Step 5: Solve for x
    x = 3,662,631,475.26/57,798.20
  6. Step 6: Final answer
    x = 63,369.30

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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.