Home / 84,858.77-127,094.40-40,516.66

Finding the Fourth Proportional to 84,858.77, 127,094.40 and 40,516.66

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Solution

The fourth proportional to 84,858.77, 127,094.40 and 40,516.66 is: 60,682.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,858.77 : 127,094.40 = 40,516.66 : x
  2. Step 2: Convert to fraction form
    84,858.77/127,094.40 = 40,516.66/x
  3. Step 3: Cross multiply
    84,858.77x = 127,094.40 × 40,516.66
  4. Step 4: Simplify right side
    84,858.77x = 5,149,440,036.67
  5. Step 5: Solve for x
    x = 5,149,440,036.67/84,858.77
  6. Step 6: Final answer
    x = 60,682.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.