Home / 72,957.44-109,360.28-30,802.34

Finding the Fourth Proportional to 72,957.44, 109,360.28 and 30,802.34

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Solution

The fourth proportional to 72,957.44, 109,360.28 and 30,802.34 is: 46,171.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,957.44 : 109,360.28 = 30,802.34 : x
  2. Step 2: Convert to fraction form
    72,957.44/109,360.28 = 30,802.34/x
  3. Step 3: Cross multiply
    72,957.44x = 109,360.28 × 30,802.34
  4. Step 4: Simplify right side
    72,957.44x = 3,368,551,826.24
  5. Step 5: Solve for x
    x = 3,368,551,826.24/72,957.44
  6. Step 6: Final answer
    x = 46,171.47

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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.