Home / 81,014.02-111,798.36-50,817.02

Finding the Fourth Proportional to 81,014.02, 111,798.36 and 50,817.02

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Solution

The fourth proportional to 81,014.02, 111,798.36 and 50,817.02 is: 70,126.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,014.02 : 111,798.36 = 50,817.02 : x
  2. Step 2: Convert to fraction form
    81,014.02/111,798.36 = 50,817.02/x
  3. Step 3: Cross multiply
    81,014.02x = 111,798.36 × 50,817.02
  4. Step 4: Simplify right side
    81,014.02x = 5,681,258,937.10
  5. Step 5: Solve for x
    x = 5,681,258,937.10/81,014.02
  6. Step 6: Final answer
    x = 70,126.86

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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.