Home / 77,981.52-116,784.84-44,600.40

Finding the Fourth Proportional to 77,981.52, 116,784.84 and 44,600.40

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Solution

The fourth proportional to 77,981.52, 116,784.84 and 44,600.40 is: 66,793.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,981.52 : 116,784.84 = 44,600.40 : x
  2. Step 2: Convert to fraction form
    77,981.52/116,784.84 = 44,600.40/x
  3. Step 3: Cross multiply
    77,981.52x = 116,784.84 × 44,600.40
  4. Step 4: Simplify right side
    77,981.52x = 5,208,650,577.94
  5. Step 5: Solve for x
    x = 5,208,650,577.94/77,981.52
  6. Step 6: Final answer
    x = 66,793.40

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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.