Home / 84,977.37-127,468.95-25,812.93

Finding the Fourth Proportional to 84,977.37, 127,468.95 and 25,812.93

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Solution

The fourth proportional to 84,977.37, 127,468.95 and 25,812.93 is: 38,720.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,977.37 : 127,468.95 = 25,812.93 : x
  2. Step 2: Convert to fraction form
    84,977.37/127,468.95 = 25,812.93/x
  3. Step 3: Cross multiply
    84,977.37x = 127,468.95 × 25,812.93
  4. Step 4: Simplify right side
    84,977.37x = 3,290,347,083.52
  5. Step 5: Solve for x
    x = 3,290,347,083.52/84,977.37
  6. Step 6: Final answer
    x = 38,720.27

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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.