Home / 42,475.88-63,719.58-14,770.28

Finding the Fourth Proportional to 42,475.88, 63,719.58 and 14,770.28

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Solution

The fourth proportional to 42,475.88, 63,719.58 and 14,770.28 is: 22,157.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,475.88 : 63,719.58 = 14,770.28 : x
  2. Step 2: Convert to fraction form
    42,475.88/63,719.58 = 14,770.28/x
  3. Step 3: Cross multiply
    42,475.88x = 63,719.58 × 14,770.28
  4. Step 4: Simplify right side
    42,475.88x = 941,156,038.08
  5. Step 5: Solve for x
    x = 941,156,038.08/42,475.88
  6. Step 6: Final answer
    x = 22,157.42

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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.