Home / 55,628.62-83,442.16-13,509.02

Finding the Fourth Proportional to 55,628.62, 83,442.16 and 13,509.02

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Solution

The fourth proportional to 55,628.62, 83,442.16 and 13,509.02 is: 20,263.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,628.62 : 83,442.16 = 13,509.02 : x
  2. Step 2: Convert to fraction form
    55,628.62/83,442.16 = 13,509.02/x
  3. Step 3: Cross multiply
    55,628.62x = 83,442.16 × 13,509.02
  4. Step 4: Simplify right side
    55,628.62x = 1,127,221,808.28
  5. Step 5: Solve for x
    x = 1,127,221,808.28/55,628.62
  6. Step 6: Final answer
    x = 20,263.34

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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.