Home / 55,184.60-82,746.66-21,870.92

Finding the Fourth Proportional to 55,184.60, 82,746.66 and 21,870.92

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Solution

The fourth proportional to 55,184.60, 82,746.66 and 21,870.92 is: 32,794.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,184.60 : 82,746.66 = 21,870.92 : x
  2. Step 2: Convert to fraction form
    55,184.60/82,746.66 = 21,870.92/x
  3. Step 3: Cross multiply
    55,184.60x = 82,746.66 × 21,870.92
  4. Step 4: Simplify right side
    55,184.60x = 1,809,745,581.13
  5. Step 5: Solve for x
    x = 1,809,745,581.13/55,184.60
  6. Step 6: Final answer
    x = 32,794.40

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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.