Home / 55,691.01-83,511-30,722.76

Finding the Fourth Proportional to 55,691.01, 83,511 and 30,722.76

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Solution

The fourth proportional to 55,691.01, 83,511 and 30,722.76 is: 46,070.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,691.01 : 83,511 = 30,722.76 : x
  2. Step 2: Convert to fraction form
    55,691.01/83,511 = 30,722.76/x
  3. Step 3: Cross multiply
    55,691.01x = 83,511 × 30,722.76
  4. Step 4: Simplify right side
    55,691.01x = 2,565,688,410.36
  5. Step 5: Solve for x
    x = 2,565,688,410.36/55,691.01
  6. Step 6: Final answer
    x = 46,070.06

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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.