Home / 85,277.17-127,916.07-26,112.60

Finding the Fourth Proportional to 85,277.17, 127,916.07 and 26,112.60

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Solution

The fourth proportional to 85,277.17, 127,916.07 and 26,112.60 is: 39,168.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,277.17 : 127,916.07 = 26,112.60 : x
  2. Step 2: Convert to fraction form
    85,277.17/127,916.07 = 26,112.60/x
  3. Step 3: Cross multiply
    85,277.17x = 127,916.07 × 26,112.60
  4. Step 4: Simplify right side
    85,277.17x = 3,340,221,038.92
  5. Step 5: Solve for x
    x = 3,340,221,038.92/85,277.17
  6. Step 6: Final answer
    x = 39,168.99

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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.