Home / 81,106.17-111,928.19-45,296.22

Finding the Fourth Proportional to 81,106.17, 111,928.19 and 45,296.22

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Solution

The fourth proportional to 81,106.17, 111,928.19 and 45,296.22 is: 62,509.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,106.17 : 111,928.19 = 45,296.22 : x
  2. Step 2: Convert to fraction form
    81,106.17/111,928.19 = 45,296.22/x
  3. Step 3: Cross multiply
    81,106.17x = 111,928.19 × 45,296.22
  4. Step 4: Simplify right side
    81,106.17x = 5,069,923,918.44
  5. Step 5: Solve for x
    x = 5,069,923,918.44/81,106.17
  6. Step 6: Final answer
    x = 62,509.72

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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.