Home / 85,239.97-127,903.13-56,796.36

Finding the Fourth Proportional to 85,239.97, 127,903.13 and 56,796.36

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Solution

The fourth proportional to 85,239.97, 127,903.13 and 56,796.36 is: 85,223.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,239.97 : 127,903.13 = 56,796.36 : x
  2. Step 2: Convert to fraction form
    85,239.97/127,903.13 = 56,796.36/x
  3. Step 3: Cross multiply
    85,239.97x = 127,903.13 × 56,796.36
  4. Step 4: Simplify right side
    85,239.97x = 7,264,432,358.60
  5. Step 5: Solve for x
    x = 7,264,432,358.60/85,239.97
  6. Step 6: Final answer
    x = 85,223.31

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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.