Home / 52,990.16-79,501.14-21,383.96

Finding the Fourth Proportional to 52,990.16, 79,501.14 and 21,383.96

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Solution

The fourth proportional to 52,990.16, 79,501.14 and 21,383.96 is: 32,082.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,990.16 : 79,501.14 = 21,383.96 : x
  2. Step 2: Convert to fraction form
    52,990.16/79,501.14 = 21,383.96/x
  3. Step 3: Cross multiply
    52,990.16x = 79,501.14 × 21,383.96
  4. Step 4: Simplify right side
    52,990.16x = 1,700,049,197.71
  5. Step 5: Solve for x
    x = 1,700,049,197.71/52,990.16
  6. Step 6: Final answer
    x = 32,082.36

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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.