Home / 42,142.12-63,192.01-14,052.23

Finding the Fourth Proportional to 42,142.12, 63,192.01 and 14,052.23

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Solution

The fourth proportional to 42,142.12, 63,192.01 and 14,052.23 is: 21,071.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,142.12 : 63,192.01 = 14,052.23 : x
  2. Step 2: Convert to fraction form
    42,142.12/63,192.01 = 14,052.23/x
  3. Step 3: Cross multiply
    42,142.12x = 63,192.01 × 14,052.23
  4. Step 4: Simplify right side
    42,142.12x = 887,988,658.68
  5. Step 5: Solve for x
    x = 887,988,658.68/42,142.12
  6. Step 6: Final answer
    x = 21,071.29

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1.5x scale

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.