Home / 52,208.82-78,312.75-12,766.10

Finding the Fourth Proportional to 52,208.82, 78,312.75 and 12,766.10

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Solution

The fourth proportional to 52,208.82, 78,312.75 and 12,766.10 is: 19,149.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,208.82 : 78,312.75 = 12,766.10 : x
  2. Step 2: Convert to fraction form
    52,208.82/78,312.75 = 12,766.10/x
  3. Step 3: Cross multiply
    52,208.82x = 78,312.75 × 12,766.10
  4. Step 4: Simplify right side
    52,208.82x = 999,748,397.78
  5. Step 5: Solve for x
    x = 999,748,397.78/52,208.82
  6. Step 6: Final answer
    x = 19,149.03

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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.