Home / 77,524.47-116,276.11-21,356.50

Finding the Fourth Proportional to 77,524.47, 116,276.11 and 21,356.50

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Solution

The fourth proportional to 77,524.47, 116,276.11 and 21,356.50 is: 32,031.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,524.47 : 116,276.11 = 21,356.50 : x
  2. Step 2: Convert to fraction form
    77,524.47/116,276.11 = 21,356.50/x
  3. Step 3: Cross multiply
    77,524.47x = 116,276.11 × 21,356.50
  4. Step 4: Simplify right side
    77,524.47x = 2,483,250,944.18
  5. Step 5: Solve for x
    x = 2,483,250,944.18/77,524.47
  6. Step 6: Final answer
    x = 32,031.84

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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.