Home / 50,967.40-76,235.10-45,740.20

Finding the Fourth Proportional to 50,967.40, 76,235.10 and 45,740.20

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Solution

The fourth proportional to 50,967.40, 76,235.10 and 45,740.20 is: 68,416.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,967.40 : 76,235.10 = 45,740.20 : x
  2. Step 2: Convert to fraction form
    50,967.40/76,235.10 = 45,740.20/x
  3. Step 3: Cross multiply
    50,967.40x = 76,235.10 × 45,740.20
  4. Step 4: Simplify right side
    50,967.40x = 3,487,008,721.02
  5. Step 5: Solve for x
    x = 3,487,008,721.02/50,967.40
  6. Step 6: Final answer
    x = 68,416.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.