Home / 91,235.76-125,626.59-82,682.16

Finding the Fourth Proportional to 91,235.76, 125,626.59 and 82,682.16

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Solution

The fourth proportional to 91,235.76, 125,626.59 and 82,682.16 is: 113,848.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,235.76 : 125,626.59 = 82,682.16 : x
  2. Step 2: Convert to fraction form
    91,235.76/125,626.59 = 82,682.16/x
  3. Step 3: Cross multiply
    91,235.76x = 125,626.59 × 82,682.16
  4. Step 4: Simplify right side
    91,235.76x = 10,387,077,814.63
  5. Step 5: Solve for x
    x = 10,387,077,814.63/91,235.76
  6. Step 6: Final answer
    x = 113,848.76

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1.5x scale

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.