Home / 110,070.41-151,913.21-61,675.61

Finding the Fourth Proportional to 110,070.41, 151,913.21 and 61,675.61

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Solution

The fourth proportional to 110,070.41, 151,913.21 and 61,675.61 is: 85,121.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,070.41 : 151,913.21 = 61,675.61 : x
  2. Step 2: Convert to fraction form
    110,070.41/151,913.21 = 61,675.61/x
  3. Step 3: Cross multiply
    110,070.41x = 151,913.21 × 61,675.61
  4. Step 4: Simplify right side
    110,070.41x = 9,369,338,825.86
  5. Step 5: Solve for x
    x = 9,369,338,825.86/110,070.41
  6. Step 6: Final answer
    x = 85,121.33

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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.