Home / 55,458.20-83,187.30-54,000.20

Finding the Fourth Proportional to 55,458.20, 83,187.30 and 54,000.20

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Solution

The fourth proportional to 55,458.20, 83,187.30 and 54,000.20 is: 81,000.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,458.20 : 83,187.30 = 54,000.20 : x
  2. Step 2: Convert to fraction form
    55,458.20/83,187.30 = 54,000.20/x
  3. Step 3: Cross multiply
    55,458.20x = 83,187.30 × 54,000.20
  4. Step 4: Simplify right side
    55,458.20x = 4,492,130,837.46
  5. Step 5: Solve for x
    x = 4,492,130,837.46/55,458.20
  6. Step 6: Final answer
    x = 81,000.30

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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.