Home / 52,193.35-78,289.65-12,750.10

Finding the Fourth Proportional to 52,193.35, 78,289.65 and 12,750.10

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Solution

The fourth proportional to 52,193.35, 78,289.65 and 12,750.10 is: 19,125.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,193.35 : 78,289.65 = 12,750.10 : x
  2. Step 2: Convert to fraction form
    52,193.35/78,289.65 = 12,750.10/x
  3. Step 3: Cross multiply
    52,193.35x = 78,289.65 × 12,750.10
  4. Step 4: Simplify right side
    52,193.35x = 998,200,866.47
  5. Step 5: Solve for x
    x = 998,200,866.47/52,193.35
  6. Step 6: Final answer
    x = 19,125.06

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1.5x scale

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.