Home / 76,181.58-105,166.49-50,730.30

Finding the Fourth Proportional to 76,181.58, 105,166.49 and 50,730.30

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Solution

The fourth proportional to 76,181.58, 105,166.49 and 50,730.30 is: 70,031.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,181.58 : 105,166.49 = 50,730.30 : x
  2. Step 2: Convert to fraction form
    76,181.58/105,166.49 = 50,730.30/x
  3. Step 3: Cross multiply
    76,181.58x = 105,166.49 × 50,730.30
  4. Step 4: Simplify right side
    76,181.58x = 5,335,127,334.00
  5. Step 5: Solve for x
    x = 5,335,127,334.00/76,181.58
  6. Step 6: Final answer
    x = 70,031.72

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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.