Home / 64,830.78-97,246.19-20,462.02

Finding the Fourth Proportional to 64,830.78, 97,246.19 and 20,462.02

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Solution

The fourth proportional to 64,830.78, 97,246.19 and 20,462.02 is: 30,693.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,830.78 : 97,246.19 = 20,462.02 : x
  2. Step 2: Convert to fraction form
    64,830.78/97,246.19 = 20,462.02/x
  3. Step 3: Cross multiply
    64,830.78x = 97,246.19 × 20,462.02
  4. Step 4: Simplify right side
    64,830.78x = 1,989,853,657.42
  5. Step 5: Solve for x
    x = 1,989,853,657.42/64,830.78
  6. Step 6: Final answer
    x = 30,693.04

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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.