Home / 42,765.76-64,130.08-16,452.03

Finding the Fourth Proportional to 42,765.76, 64,130.08 and 16,452.03

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Solution

The fourth proportional to 42,765.76, 64,130.08 and 16,452.03 is: 24,670.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,765.76 : 64,130.08 = 16,452.03 : x
  2. Step 2: Convert to fraction form
    42,765.76/64,130.08 = 16,452.03/x
  3. Step 3: Cross multiply
    42,765.76x = 64,130.08 × 16,452.03
  4. Step 4: Simplify right side
    42,765.76x = 1,055,070,230.27
  5. Step 5: Solve for x
    x = 1,055,070,230.27/42,765.76
  6. Step 6: Final answer
    x = 24,670.91

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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.