Home / 77,047.62-106,317.79-52,869.32

Finding the Fourth Proportional to 77,047.62, 106,317.79 and 52,869.32

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Solution

The fourth proportional to 77,047.62, 106,317.79 and 52,869.32 is: 72,954.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,047.62 : 106,317.79 = 52,869.32 : x
  2. Step 2: Convert to fraction form
    77,047.62/106,317.79 = 52,869.32/x
  3. Step 3: Cross multiply
    77,047.62x = 106,317.79 × 52,869.32
  4. Step 4: Simplify right side
    77,047.62x = 5,620,949,261.20
  5. Step 5: Solve for x
    x = 5,620,949,261.20/77,047.62
  6. Step 6: Final answer
    x = 72,954.22

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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.