Home / 55,417.86-83,138.48-17,975.02

Finding the Fourth Proportional to 55,417.86, 83,138.48 and 17,975.02

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Solution

The fourth proportional to 55,417.86, 83,138.48 and 17,975.02 is: 26,966.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,417.86 : 83,138.48 = 17,975.02 : x
  2. Step 2: Convert to fraction form
    55,417.86/83,138.48 = 17,975.02/x
  3. Step 3: Cross multiply
    55,417.86x = 83,138.48 × 17,975.02
  4. Step 4: Simplify right side
    55,417.86x = 1,494,416,078.11
  5. Step 5: Solve for x
    x = 1,494,416,078.11/55,417.86
  6. Step 6: Final answer
    x = 26,966.33

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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.