Home / 55,354.34-83,031.80-13,801.34

Finding the Fourth Proportional to 55,354.34, 83,031.80 and 13,801.34

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Solution

The fourth proportional to 55,354.34, 83,031.80 and 13,801.34 is: 20,702.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,354.34 : 83,031.80 = 13,801.34 : x
  2. Step 2: Convert to fraction form
    55,354.34/83,031.80 = 13,801.34/x
  3. Step 3: Cross multiply
    55,354.34x = 83,031.80 × 13,801.34
  4. Step 4: Simplify right side
    55,354.34x = 1,145,949,618.45
  5. Step 5: Solve for x
    x = 1,145,949,618.45/55,354.34
  6. Step 6: Final answer
    x = 20,702.08

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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.