Home / 53,250.11-79,808.33-28,228.40

Finding the Fourth Proportional to 53,250.11, 79,808.33 and 28,228.40

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Solution

The fourth proportional to 53,250.11, 79,808.33 and 28,228.40 is: 42,307.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,250.11 : 79,808.33 = 28,228.40 : x
  2. Step 2: Convert to fraction form
    53,250.11/79,808.33 = 28,228.40/x
  3. Step 3: Cross multiply
    53,250.11x = 79,808.33 × 28,228.40
  4. Step 4: Simplify right side
    53,250.11x = 2,252,861,134.10
  5. Step 5: Solve for x
    x = 2,252,861,134.10/53,250.11
  6. Step 6: Final answer
    x = 42,307.17

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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.