Home / 42,523.64-63,771.86-14,055.28

Finding the Fourth Proportional to 42,523.64, 63,771.86 and 14,055.28

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Solution

The fourth proportional to 42,523.64, 63,771.86 and 14,055.28 is: 21,078.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,523.64 : 63,771.86 = 14,055.28 : x
  2. Step 2: Convert to fraction form
    42,523.64/63,771.86 = 14,055.28/x
  3. Step 3: Cross multiply
    42,523.64x = 63,771.86 × 14,055.28
  4. Step 4: Simplify right side
    42,523.64x = 896,331,348.42
  5. Step 5: Solve for x
    x = 896,331,348.42/42,523.64
  6. Step 6: Final answer
    x = 21,078.42

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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.