Home / 111,484.08-153,896.02-68,470.54

Finding the Fourth Proportional to 111,484.08, 153,896.02 and 68,470.54

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Solution

The fourth proportional to 111,484.08, 153,896.02 and 68,470.54 is: 94,518.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,484.08 : 153,896.02 = 68,470.54 : x
  2. Step 2: Convert to fraction form
    111,484.08/153,896.02 = 68,470.54/x
  3. Step 3: Cross multiply
    111,484.08x = 153,896.02 × 68,470.54
  4. Step 4: Simplify right side
    111,484.08x = 10,537,343,593.25
  5. Step 5: Solve for x
    x = 10,537,343,593.25/111,484.08
  6. Step 6: Final answer
    x = 94,518.82

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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.