Home / 71,657.28-98,895.06-43,362.36

Finding the Fourth Proportional to 71,657.28, 98,895.06 and 43,362.36

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Solution

The fourth proportional to 71,657.28, 98,895.06 and 43,362.36 is: 59,844.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,657.28 : 98,895.06 = 43,362.36 : x
  2. Step 2: Convert to fraction form
    71,657.28/98,895.06 = 43,362.36/x
  3. Step 3: Cross multiply
    71,657.28x = 98,895.06 × 43,362.36
  4. Step 4: Simplify right side
    71,657.28x = 4,288,323,193.94
  5. Step 5: Solve for x
    x = 4,288,323,193.94/71,657.28
  6. Step 6: Final answer
    x = 59,844.91

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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.