Home / 91,390.66-126,150.86-62,804.96

Finding the Fourth Proportional to 91,390.66, 126,150.86 and 62,804.96

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Solution

The fourth proportional to 91,390.66, 126,150.86 and 62,804.96 is: 86,692.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,390.66 : 126,150.86 = 62,804.96 : x
  2. Step 2: Convert to fraction form
    91,390.66/126,150.86 = 62,804.96/x
  3. Step 3: Cross multiply
    91,390.66x = 126,150.86 × 62,804.96
  4. Step 4: Simplify right side
    91,390.66x = 7,922,899,716.27
  5. Step 5: Solve for x
    x = 7,922,899,716.27/91,390.66
  6. Step 6: Final answer
    x = 86,692.66

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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.