Home / 77,356.76-116,142.93-39,943.83

Finding the Fourth Proportional to 77,356.76, 116,142.93 and 39,943.83

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Solution

The fourth proportional to 77,356.76, 116,142.93 and 39,943.83 is: 59,971.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,356.76 : 116,142.93 = 39,943.83 : x
  2. Step 2: Convert to fraction form
    77,356.76/116,142.93 = 39,943.83/x
  3. Step 3: Cross multiply
    77,356.76x = 116,142.93 × 39,943.83
  4. Step 4: Simplify right side
    77,356.76x = 4,639,193,451.62
  5. Step 5: Solve for x
    x = 4,639,193,451.62/77,356.76
  6. Step 6: Final answer
    x = 59,971.41

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1.5x scale

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.