Home / 65,445.73-90,318.90-49,284.10

Finding the Fourth Proportional to 65,445.73, 90,318.90 and 49,284.10

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Solution

The fourth proportional to 65,445.73, 90,318.90 and 49,284.10 is: 68,014.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,445.73 : 90,318.90 = 49,284.10 : x
  2. Step 2: Convert to fraction form
    65,445.73/90,318.90 = 49,284.10/x
  3. Step 3: Cross multiply
    65,445.73x = 90,318.90 × 49,284.10
  4. Step 4: Simplify right side
    65,445.73x = 4,451,285,699.49
  5. Step 5: Solve for x
    x = 4,451,285,699.49/65,445.73
  6. Step 6: Final answer
    x = 68,014.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.