Home / 112,152.36-154,761.12-61,851.36

Finding the Fourth Proportional to 112,152.36, 154,761.12 and 61,851.36

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Solution

The fourth proportional to 112,152.36, 154,761.12 and 61,851.36 is: 85,349.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,152.36 : 154,761.12 = 61,851.36 : x
  2. Step 2: Convert to fraction form
    112,152.36/154,761.12 = 61,851.36/x
  3. Step 3: Cross multiply
    112,152.36x = 154,761.12 × 61,851.36
  4. Step 4: Simplify right side
    112,152.36x = 9,572,185,747.12
  5. Step 5: Solve for x
    x = 9,572,185,747.12/112,152.36
  6. Step 6: Final answer
    x = 85,349.84

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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.