Home / 91,784.52-126,657.54-51,494.58

Finding the Fourth Proportional to 91,784.52, 126,657.54 and 51,494.58

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Solution

The fourth proportional to 91,784.52, 126,657.54 and 51,494.58 is: 71,059.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,784.52 : 126,657.54 = 51,494.58 : x
  2. Step 2: Convert to fraction form
    91,784.52/126,657.54 = 51,494.58/x
  3. Step 3: Cross multiply
    91,784.52x = 126,657.54 × 51,494.58
  4. Step 4: Simplify right side
    91,784.52x = 6,522,176,826.13
  5. Step 5: Solve for x
    x = 6,522,176,826.13/91,784.52
  6. Step 6: Final answer
    x = 71,059.66

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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.