Home / 77,410.60-115,943.10-59,823.40

Finding the Fourth Proportional to 77,410.60, 115,943.10 and 59,823.40

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Solution

The fourth proportional to 77,410.60, 115,943.10 and 59,823.40 is: 89,601.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,410.60 : 115,943.10 = 59,823.40 : x
  2. Step 2: Convert to fraction form
    77,410.60/115,943.10 = 59,823.40/x
  3. Step 3: Cross multiply
    77,410.60x = 115,943.10 × 59,823.40
  4. Step 4: Simplify right side
    77,410.60x = 6,936,110,448.54
  5. Step 5: Solve for x
    x = 6,936,110,448.54/77,410.60
  6. Step 6: Final answer
    x = 89,601.56

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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.