Home / 42,052.53-63,090.97-12,471.08

Finding the Fourth Proportional to 42,052.53, 63,090.97 and 12,471.08

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Solution

The fourth proportional to 42,052.53, 63,090.97 and 12,471.08 is: 18,710.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,052.53 : 63,090.97 = 12,471.08 : x
  2. Step 2: Convert to fraction form
    42,052.53/63,090.97 = 12,471.08/x
  3. Step 3: Cross multiply
    42,052.53x = 63,090.97 × 12,471.08
  4. Step 4: Simplify right side
    42,052.53x = 786,812,502.05
  5. Step 5: Solve for x
    x = 786,812,502.05/42,052.53
  6. Step 6: Final answer
    x = 18,710.23

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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.