Home / 85,246.03-127,905.93-45,757.03

Finding the Fourth Proportional to 85,246.03, 127,905.93 and 45,757.03

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Solution

The fourth proportional to 85,246.03, 127,905.93 and 45,757.03 is: 68,655.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,246.03 : 127,905.93 = 45,757.03 : x
  2. Step 2: Convert to fraction form
    85,246.03/127,905.93 = 45,757.03/x
  3. Step 3: Cross multiply
    85,246.03x = 127,905.93 × 45,757.03
  4. Step 4: Simplify right side
    85,246.03x = 5,852,595,476.19
  5. Step 5: Solve for x
    x = 5,852,595,476.19/85,246.03
  6. Step 6: Final answer
    x = 68,655.34

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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.