Home / 85,395.52-127,953.08-29,204.98

Finding the Fourth Proportional to 85,395.52, 127,953.08 and 29,204.98

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Solution

The fourth proportional to 85,395.52, 127,953.08 and 29,204.98 is: 43,759.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,395.52 : 127,953.08 = 29,204.98 : x
  2. Step 2: Convert to fraction form
    85,395.52/127,953.08 = 29,204.98/x
  3. Step 3: Cross multiply
    85,395.52x = 127,953.08 × 29,204.98
  4. Step 4: Simplify right side
    85,395.52x = 3,736,866,688.15
  5. Step 5: Solve for x
    x = 3,736,866,688.15/85,395.52
  6. Step 6: Final answer
    x = 43,759.51

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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.