Home / 87,020.07-120,109.46-53,466.63

Finding the Fourth Proportional to 87,020.07, 120,109.46 and 53,466.63

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Solution

The fourth proportional to 87,020.07, 120,109.46 and 53,466.63 is: 73,797.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,020.07 : 120,109.46 = 53,466.63 : x
  2. Step 2: Convert to fraction form
    87,020.07/120,109.46 = 53,466.63/x
  3. Step 3: Cross multiply
    87,020.07x = 120,109.46 × 53,466.63
  4. Step 4: Simplify right side
    87,020.07x = 6,421,848,057.32
  5. Step 5: Solve for x
    x = 6,421,848,057.32/87,020.07
  6. Step 6: Final answer
    x = 73,797.32

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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.