Home / 61,336.08-91,864.80-54,242.64

Finding the Fourth Proportional to 61,336.08, 91,864.80 and 54,242.64

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Solution

The fourth proportional to 61,336.08, 91,864.80 and 54,242.64 is: 81,240.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,336.08 : 91,864.80 = 54,242.64 : x
  2. Step 2: Convert to fraction form
    61,336.08/91,864.80 = 54,242.64/x
  3. Step 3: Cross multiply
    61,336.08x = 91,864.80 × 54,242.64
  4. Step 4: Simplify right side
    61,336.08x = 4,982,989,275.07
  5. Step 5: Solve for x
    x = 4,982,989,275.07/61,336.08
  6. Step 6: Final answer
    x = 81,240.75

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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.