Home / 109,254.92-163,898.51-55,977.03

Finding the Fourth Proportional to 109,254.92, 163,898.51 and 55,977.03

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Solution

The fourth proportional to 109,254.92, 163,898.51 and 55,977.03 is: 83,973.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,254.92 : 163,898.51 = 55,977.03 : x
  2. Step 2: Convert to fraction form
    109,254.92/163,898.51 = 55,977.03/x
  3. Step 3: Cross multiply
    109,254.92x = 163,898.51 × 55,977.03
  4. Step 4: Simplify right side
    109,254.92x = 9,174,551,531.34
  5. Step 5: Solve for x
    x = 9,174,551,531.34/109,254.92
  6. Step 6: Final answer
    x = 83,973.81

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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.