Home / 77,416.92-116,043.12-49,248.36

Finding the Fourth Proportional to 77,416.92, 116,043.12 and 49,248.36

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Solution

The fourth proportional to 77,416.92, 116,043.12 and 49,248.36 is: 73,820.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,416.92 : 116,043.12 = 49,248.36 : x
  2. Step 2: Convert to fraction form
    77,416.92/116,043.12 = 49,248.36/x
  3. Step 3: Cross multiply
    77,416.92x = 116,043.12 × 49,248.36
  4. Step 4: Simplify right side
    77,416.92x = 5,714,933,349.28
  5. Step 5: Solve for x
    x = 5,714,933,349.28/77,416.92
  6. Step 6: Final answer
    x = 73,820.21

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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.