Home / 55,612.52-76,746.39-30,462.02

Finding the Fourth Proportional to 55,612.52, 76,746.39 and 30,462.02

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Solution

The fourth proportional to 55,612.52, 76,746.39 and 30,462.02 is: 42,038.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,612.52 : 76,746.39 = 30,462.02 : x
  2. Step 2: Convert to fraction form
    55,612.52/76,746.39 = 30,462.02/x
  3. Step 3: Cross multiply
    55,612.52x = 76,746.39 × 30,462.02
  4. Step 4: Simplify right side
    55,612.52x = 2,337,850,067.11
  5. Step 5: Solve for x
    x = 2,337,850,067.11/55,612.52
  6. Step 6: Final answer
    x = 42,038.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.