Home / 84,911.16-127,172.52-40,569.06

Finding the Fourth Proportional to 84,911.16, 127,172.52 and 40,569.06

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Solution

The fourth proportional to 84,911.16, 127,172.52 and 40,569.06 is: 60,760.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,911.16 : 127,172.52 = 40,569.06 : x
  2. Step 2: Convert to fraction form
    84,911.16/127,172.52 = 40,569.06/x
  3. Step 3: Cross multiply
    84,911.16x = 127,172.52 × 40,569.06
  4. Step 4: Simplify right side
    84,911.16x = 5,159,269,594.23
  5. Step 5: Solve for x
    x = 5,159,269,594.23/84,911.16
  6. Step 6: Final answer
    x = 60,760.80

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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.