Home / 62,647.20-93,974.40-18,280.80

Finding the Fourth Proportional to 62,647.20, 93,974.40 and 18,280.80

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Solution

The fourth proportional to 62,647.20, 93,974.40 and 18,280.80 is: 27,422.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,647.20 : 93,974.40 = 18,280.80 : x
  2. Step 2: Convert to fraction form
    62,647.20/93,974.40 = 18,280.80/x
  3. Step 3: Cross multiply
    62,647.20x = 93,974.40 × 18,280.80
  4. Step 4: Simplify right side
    62,647.20x = 1,717,927,211.52
  5. Step 5: Solve for x
    x = 1,717,927,211.52/62,647.20
  6. Step 6: Final answer
    x = 27,422.25

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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.