Home / 111,485.85-153,849.69-60,497.28

Finding the Fourth Proportional to 111,485.85, 153,849.69 and 60,497.28

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Solution

The fourth proportional to 111,485.85, 153,849.69 and 60,497.28 is: 83,485.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,485.85 : 153,849.69 = 60,497.28 : x
  2. Step 2: Convert to fraction form
    111,485.85/153,849.69 = 60,497.28/x
  3. Step 3: Cross multiply
    111,485.85x = 153,849.69 × 60,497.28
  4. Step 4: Simplify right side
    111,485.85x = 9,307,487,773.84
  5. Step 5: Solve for x
    x = 9,307,487,773.84/111,485.85
  6. Step 6: Final answer
    x = 83,485.82

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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.