Home / 58,885.05-88,274.12-21,418.64

Finding the Fourth Proportional to 58,885.05, 88,274.12 and 21,418.64

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Solution

The fourth proportional to 58,885.05, 88,274.12 and 21,418.64 is: 32,108.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,885.05 : 88,274.12 = 21,418.64 : x
  2. Step 2: Convert to fraction form
    58,885.05/88,274.12 = 21,418.64/x
  3. Step 3: Cross multiply
    58,885.05x = 88,274.12 × 21,418.64
  4. Step 4: Simplify right side
    58,885.05x = 1,890,711,209.77
  5. Step 5: Solve for x
    x = 1,890,711,209.77/58,885.05
  6. Step 6: Final answer
    x = 32,108.51

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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.