Home / 111,099.12-153,320.60-60,798

Finding the Fourth Proportional to 111,099.12, 153,320.60 and 60,798

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Solution

The fourth proportional to 111,099.12, 153,320.60 and 60,798 is: 83,903.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,099.12 : 153,320.60 = 60,798 : x
  2. Step 2: Convert to fraction form
    111,099.12/153,320.60 = 60,798/x
  3. Step 3: Cross multiply
    111,099.12x = 153,320.60 × 60,798
  4. Step 4: Simplify right side
    111,099.12x = 9,321,585,838.80
  5. Step 5: Solve for x
    x = 9,321,585,838.80/111,099.12
  6. Step 6: Final answer
    x = 83,903.33

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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.