Home / 55,514.90-83,272.35-49,172.60

Finding the Fourth Proportional to 55,514.90, 83,272.35 and 49,172.60

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Solution

The fourth proportional to 55,514.90, 83,272.35 and 49,172.60 is: 73,758.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,514.90 : 83,272.35 = 49,172.60 : x
  2. Step 2: Convert to fraction form
    55,514.90/83,272.35 = 49,172.60/x
  3. Step 3: Cross multiply
    55,514.90x = 83,272.35 × 49,172.60
  4. Step 4: Simplify right side
    55,514.90x = 4,094,717,957.61
  5. Step 5: Solve for x
    x = 4,094,717,957.61/55,514.90
  6. Step 6: Final answer
    x = 73,758.90

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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.