Home / 65,454.73-90,380.79-53,357.11

Finding the Fourth Proportional to 65,454.73, 90,380.79 and 53,357.11

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Solution

The fourth proportional to 65,454.73, 90,380.79 and 53,357.11 is: 73,676.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,454.73 : 90,380.79 = 53,357.11 : x
  2. Step 2: Convert to fraction form
    65,454.73/90,380.79 = 53,357.11/x
  3. Step 3: Cross multiply
    65,454.73x = 90,380.79 × 53,357.11
  4. Step 4: Simplify right side
    65,454.73x = 4,822,457,035.23
  5. Step 5: Solve for x
    x = 4,822,457,035.23/65,454.73
  6. Step 6: Final answer
    x = 73,676.22

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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.