Home / 101,889.16-152,838.60-42,726.76

Finding the Fourth Proportional to 101,889.16, 152,838.60 and 42,726.76

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Solution

The fourth proportional to 101,889.16, 152,838.60 and 42,726.76 is: 64,092.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,889.16 : 152,838.60 = 42,726.76 : x
  2. Step 2: Convert to fraction form
    101,889.16/152,838.60 = 42,726.76/x
  3. Step 3: Cross multiply
    101,889.16x = 152,838.60 × 42,726.76
  4. Step 4: Simplify right side
    101,889.16x = 6,530,298,180.94
  5. Step 5: Solve for x
    x = 6,530,298,180.94/101,889.16
  6. Step 6: Final answer
    x = 64,092.18

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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.