Home / 66,330.76-91,542.92-49,534.60

Finding the Fourth Proportional to 66,330.76, 91,542.92 and 49,534.60

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Solution

The fourth proportional to 66,330.76, 91,542.92 and 49,534.60 is: 68,362.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,330.76 : 91,542.92 = 49,534.60 : x
  2. Step 2: Convert to fraction form
    66,330.76/91,542.92 = 49,534.60/x
  3. Step 3: Cross multiply
    66,330.76x = 91,542.92 × 49,534.60
  4. Step 4: Simplify right side
    66,330.76x = 4,534,541,925.03
  5. Step 5: Solve for x
    x = 4,534,541,925.03/66,330.76
  6. Step 6: Final answer
    x = 68,362.58

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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.