Home / 53,242.12-79,795.33-28,294.12

Finding the Fourth Proportional to 53,242.12, 79,795.33 and 28,294.12

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Solution

The fourth proportional to 53,242.12, 79,795.33 and 28,294.12 is: 42,405.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,242.12 : 79,795.33 = 28,294.12 : x
  2. Step 2: Convert to fraction form
    53,242.12/79,795.33 = 28,294.12/x
  3. Step 3: Cross multiply
    53,242.12x = 79,795.33 × 28,294.12
  4. Step 4: Simplify right side
    53,242.12x = 2,257,738,642.46
  5. Step 5: Solve for x
    x = 2,257,738,642.46/53,242.12
  6. Step 6: Final answer
    x = 42,405.12

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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.