Home / 51,135.48-70,560.45-28,470.06

Finding the Fourth Proportional to 51,135.48, 70,560.45 and 28,470.06

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Solution

The fourth proportional to 51,135.48, 70,560.45 and 28,470.06 is: 39,285.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,135.48 : 70,560.45 = 28,470.06 : x
  2. Step 2: Convert to fraction form
    51,135.48/70,560.45 = 28,470.06/x
  3. Step 3: Cross multiply
    51,135.48x = 70,560.45 × 28,470.06
  4. Step 4: Simplify right side
    51,135.48x = 2,008,860,245.13
  5. Step 5: Solve for x
    x = 2,008,860,245.13/51,135.48
  6. Step 6: Final answer
    x = 39,285.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.