Home / 98,530.41-147,816.36-31,965.36

Finding the Fourth Proportional to 98,530.41, 147,816.36 and 31,965.36

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Solution

The fourth proportional to 98,530.41, 147,816.36 and 31,965.36 is: 47,954.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,530.41 : 147,816.36 = 31,965.36 : x
  2. Step 2: Convert to fraction form
    98,530.41/147,816.36 = 31,965.36/x
  3. Step 3: Cross multiply
    98,530.41x = 147,816.36 × 31,965.36
  4. Step 4: Simplify right side
    98,530.41x = 4,725,003,161.29
  5. Step 5: Solve for x
    x = 4,725,003,161.29/98,530.41
  6. Step 6: Final answer
    x = 47,954.77

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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.