Home / 77,078.60-106,386.24-50,174.25

Finding the Fourth Proportional to 77,078.60, 106,386.24 and 50,174.25

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Solution

The fourth proportional to 77,078.60, 106,386.24 and 50,174.25 is: 69,252.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,078.60 : 106,386.24 = 50,174.25 : x
  2. Step 2: Convert to fraction form
    77,078.60/106,386.24 = 50,174.25/x
  3. Step 3: Cross multiply
    77,078.60x = 106,386.24 × 50,174.25
  4. Step 4: Simplify right side
    77,078.60x = 5,337,849,802.32
  5. Step 5: Solve for x
    x = 5,337,849,802.32/77,078.60
  6. Step 6: Final answer
    x = 69,252.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.