Home / 55,031.10-82,465.80-32,518.68

Finding the Fourth Proportional to 55,031.10, 82,465.80 and 32,518.68

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Solution

The fourth proportional to 55,031.10, 82,465.80 and 32,518.68 is: 48,730.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,031.10 : 82,465.80 = 32,518.68 : x
  2. Step 2: Convert to fraction form
    55,031.10/82,465.80 = 32,518.68/x
  3. Step 3: Cross multiply
    55,031.10x = 82,465.80 × 32,518.68
  4. Step 4: Simplify right side
    55,031.10x = 2,681,678,961.14
  5. Step 5: Solve for x
    x = 2,681,678,961.14/55,031.10
  6. Step 6: Final answer
    x = 48,730.24

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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.