Home / 77,558.40-116,371.20-52,627.20

Finding the Fourth Proportional to 77,558.40, 116,371.20 and 52,627.20

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Solution

The fourth proportional to 77,558.40, 116,371.20 and 52,627.20 is: 78,963.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,558.40 : 116,371.20 = 52,627.20 : x
  2. Step 2: Convert to fraction form
    77,558.40/116,371.20 = 52,627.20/x
  3. Step 3: Cross multiply
    77,558.40x = 116,371.20 × 52,627.20
  4. Step 4: Simplify right side
    77,558.40x = 6,124,290,416.64
  5. Step 5: Solve for x
    x = 6,124,290,416.64/77,558.40
  6. Step 6: Final answer
    x = 78,963.60

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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.