Home / 56,929.96-78,586.52-36,788.50

Finding the Fourth Proportional to 56,929.96, 78,586.52 and 36,788.50

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Solution

The fourth proportional to 56,929.96, 78,586.52 and 36,788.50 is: 50,783.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,929.96 : 78,586.52 = 36,788.50 : x
  2. Step 2: Convert to fraction form
    56,929.96/78,586.52 = 36,788.50/x
  3. Step 3: Cross multiply
    56,929.96x = 78,586.52 × 36,788.50
  4. Step 4: Simplify right side
    56,929.96x = 2,891,080,378.07
  5. Step 5: Solve for x
    x = 2,891,080,378.07/56,929.96
  6. Step 6: Final answer
    x = 50,783.11

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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.