Home / 66,014.02-91,065.45-43,349.73

Finding the Fourth Proportional to 66,014.02, 91,065.45 and 43,349.73

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Solution

The fourth proportional to 66,014.02, 91,065.45 and 43,349.73 is: 59,800.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,014.02 : 91,065.45 = 43,349.73 : x
  2. Step 2: Convert to fraction form
    66,014.02/91,065.45 = 43,349.73/x
  3. Step 3: Cross multiply
    66,014.02x = 91,065.45 × 43,349.73
  4. Step 4: Simplify right side
    66,014.02x = 3,947,662,669.83
  5. Step 5: Solve for x
    x = 3,947,662,669.83/66,014.02
  6. Step 6: Final answer
    x = 59,800.37

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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.