Home / 76,427.72-105,550.34-52,615.88

Finding the Fourth Proportional to 76,427.72, 105,550.34 and 52,615.88

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Solution

The fourth proportional to 76,427.72, 105,550.34 and 52,615.88 is: 72,665.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,427.72 : 105,550.34 = 52,615.88 : x
  2. Step 2: Convert to fraction form
    76,427.72/105,550.34 = 52,615.88/x
  3. Step 3: Cross multiply
    76,427.72x = 105,550.34 × 52,615.88
  4. Step 4: Simplify right side
    76,427.72x = 5,553,624,023.40
  5. Step 5: Solve for x
    x = 5,553,624,023.40/76,427.72
  6. Step 6: Final answer
    x = 72,665.05

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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.