Home / 65,647.73-98,471.60-52,438.25

Finding the Fourth Proportional to 65,647.73, 98,471.60 and 52,438.25

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Solution

The fourth proportional to 65,647.73, 98,471.60 and 52,438.25 is: 78,657.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,647.73 : 98,471.60 = 52,438.25 : x
  2. Step 2: Convert to fraction form
    65,647.73/98,471.60 = 52,438.25/x
  3. Step 3: Cross multiply
    65,647.73x = 98,471.60 × 52,438.25
  4. Step 4: Simplify right side
    65,647.73x = 5,163,678,378.70
  5. Step 5: Solve for x
    x = 5,163,678,378.70/65,647.73
  6. Step 6: Final answer
    x = 78,657.38

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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.