Home / 42,467.64-63,693.09-40,360.20

Finding the Fourth Proportional to 42,467.64, 63,693.09 and 40,360.20

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Solution

The fourth proportional to 42,467.64, 63,693.09 and 40,360.20 is: 60,532.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,467.64 : 63,693.09 = 40,360.20 : x
  2. Step 2: Convert to fraction form
    42,467.64/63,693.09 = 40,360.20/x
  3. Step 3: Cross multiply
    42,467.64x = 63,693.09 × 40,360.20
  4. Step 4: Simplify right side
    42,467.64x = 2,570,665,851.02
  5. Step 5: Solve for x
    x = 2,570,665,851.02/42,467.64
  6. Step 6: Final answer
    x = 60,532.35

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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.