Home / 85,289.18-127,950.17-26,125.36

Finding the Fourth Proportional to 85,289.18, 127,950.17 and 26,125.36

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Solution

The fourth proportional to 85,289.18, 127,950.17 and 26,125.36 is: 39,193.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,289.18 : 127,950.17 = 26,125.36 : x
  2. Step 2: Convert to fraction form
    85,289.18/127,950.17 = 26,125.36/x
  3. Step 3: Cross multiply
    85,289.18x = 127,950.17 × 26,125.36
  4. Step 4: Simplify right side
    85,289.18x = 3,342,743,802.81
  5. Step 5: Solve for x
    x = 3,342,743,802.81/85,289.18
  6. Step 6: Final answer
    x = 39,193.06

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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.