Home / 50,864.40-76,080.60-45,637.20

Finding the Fourth Proportional to 50,864.40, 76,080.60 and 45,637.20

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Solution

The fourth proportional to 50,864.40, 76,080.60 and 45,637.20 is: 68,262.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,864.40 : 76,080.60 = 45,637.20 : x
  2. Step 2: Convert to fraction form
    50,864.40/76,080.60 = 45,637.20/x
  3. Step 3: Cross multiply
    50,864.40x = 76,080.60 × 45,637.20
  4. Step 4: Simplify right side
    50,864.40x = 3,472,105,558.32
  5. Step 5: Solve for x
    x = 3,472,105,558.32/50,864.40
  6. Step 6: Final answer
    x = 68,262.00

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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.