Home / 109,699.44-151,376.52-61,957.36

Finding the Fourth Proportional to 109,699.44, 151,376.52 and 61,957.36

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Solution

The fourth proportional to 109,699.44, 151,376.52 and 61,957.36 is: 85,496.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,699.44 : 151,376.52 = 61,957.36 : x
  2. Step 2: Convert to fraction form
    109,699.44/151,376.52 = 61,957.36/x
  3. Step 3: Cross multiply
    109,699.44x = 151,376.52 × 61,957.36
  4. Step 4: Simplify right side
    109,699.44x = 9,378,889,545.19
  5. Step 5: Solve for x
    x = 9,378,889,545.19/109,699.44
  6. Step 6: Final answer
    x = 85,496.24

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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.