Home / 77,327.61-106,680.20-50,460.45

Finding the Fourth Proportional to 77,327.61, 106,680.20 and 50,460.45

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Solution

The fourth proportional to 77,327.61, 106,680.20 and 50,460.45 is: 69,614.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,327.61 : 106,680.20 = 50,460.45 : x
  2. Step 2: Convert to fraction form
    77,327.61/106,680.20 = 50,460.45/x
  3. Step 3: Cross multiply
    77,327.61x = 106,680.20 × 50,460.45
  4. Step 4: Simplify right side
    77,327.61x = 5,383,130,898.09
  5. Step 5: Solve for x
    x = 5,383,130,898.09/77,327.61
  6. Step 6: Final answer
    x = 69,614.60

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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.