Home / 91,475.16-126,216.48-53,735.64

Finding the Fourth Proportional to 91,475.16, 126,216.48 and 53,735.64

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Solution

The fourth proportional to 91,475.16, 126,216.48 and 53,735.64 is: 74,143.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,475.16 : 126,216.48 = 53,735.64 : x
  2. Step 2: Convert to fraction form
    91,475.16/126,216.48 = 53,735.64/x
  3. Step 3: Cross multiply
    91,475.16x = 126,216.48 × 53,735.64
  4. Step 4: Simplify right side
    91,475.16x = 6,782,323,331.35
  5. Step 5: Solve for x
    x = 6,782,323,331.35/91,475.16
  6. Step 6: Final answer
    x = 74,143.88

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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.