Home / 55,124.20-82,686.30-54,735.40

Finding the Fourth Proportional to 55,124.20, 82,686.30 and 54,735.40

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Solution

The fourth proportional to 55,124.20, 82,686.30 and 54,735.40 is: 82,103.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,124.20 : 82,686.30 = 54,735.40 : x
  2. Step 2: Convert to fraction form
    55,124.20/82,686.30 = 54,735.40/x
  3. Step 3: Cross multiply
    55,124.20x = 82,686.30 × 54,735.40
  4. Step 4: Simplify right side
    55,124.20x = 4,525,867,705.02
  5. Step 5: Solve for x
    x = 4,525,867,705.02/55,124.20
  6. Step 6: Final answer
    x = 82,103.10

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1.5x scale

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.