Home / 91,734.54-126,580.71-53,505.66

Finding the Fourth Proportional to 91,734.54, 126,580.71 and 53,505.66

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Solution

The fourth proportional to 91,734.54, 126,580.71 and 53,505.66 is: 73,830.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,734.54 : 126,580.71 = 53,505.66 : x
  2. Step 2: Convert to fraction form
    91,734.54/126,580.71 = 53,505.66/x
  3. Step 3: Cross multiply
    91,734.54x = 126,580.71 × 53,505.66
  4. Step 4: Simplify right side
    91,734.54x = 6,772,784,431.82
  5. Step 5: Solve for x
    x = 6,772,784,431.82/91,734.54
  6. Step 6: Final answer
    x = 73,830.25

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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.