Home / 109,510.36-164,285.80-34,649.35

Finding the Fourth Proportional to 109,510.36, 164,285.80 and 34,649.35

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Solution

The fourth proportional to 109,510.36, 164,285.80 and 34,649.35 is: 51,980.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,510.36 : 164,285.80 = 34,649.35 : x
  2. Step 2: Convert to fraction form
    109,510.36/164,285.80 = 34,649.35/x
  3. Step 3: Cross multiply
    109,510.36x = 164,285.80 × 34,649.35
  4. Step 4: Simplify right side
    109,510.36x = 5,692,395,686.89
  5. Step 5: Solve for x
    x = 5,692,395,686.89/109,510.36
  6. Step 6: Final answer
    x = 51,980.43

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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.