Home / 77,039.86-106,327.21-46,834.66

Finding the Fourth Proportional to 77,039.86, 106,327.21 and 46,834.66

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Solution

The fourth proportional to 77,039.86, 106,327.21 and 46,834.66 is: 64,639.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,039.86 : 106,327.21 = 46,834.66 : x
  2. Step 2: Convert to fraction form
    77,039.86/106,327.21 = 46,834.66/x
  3. Step 3: Cross multiply
    77,039.86x = 106,327.21 × 46,834.66
  4. Step 4: Simplify right side
    77,039.86x = 4,979,798,729.10
  5. Step 5: Solve for x
    x = 4,979,798,729.10/77,039.86
  6. Step 6: Final answer
    x = 64,639.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.