Home / 111,529.02-153,904.78-60,540.60

Finding the Fourth Proportional to 111,529.02, 153,904.78 and 60,540.60

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Solution

The fourth proportional to 111,529.02, 153,904.78 and 60,540.60 is: 83,543.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,529.02 : 153,904.78 = 60,540.60 : x
  2. Step 2: Convert to fraction form
    111,529.02/153,904.78 = 60,540.60/x
  3. Step 3: Cross multiply
    111,529.02x = 153,904.78 × 60,540.60
  4. Step 4: Simplify right side
    111,529.02x = 9,317,487,724.07
  5. Step 5: Solve for x
    x = 9,317,487,724.07/111,529.02
  6. Step 6: Final answer
    x = 83,543.17

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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.