Home / 49,864.50-75,140.79-45,184.32

Finding the Fourth Proportional to 49,864.50, 75,140.79 and 45,184.32

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Solution

The fourth proportional to 49,864.50, 75,140.79 and 45,184.32 is: 68,088.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,864.50 : 75,140.79 = 45,184.32 : x
  2. Step 2: Convert to fraction form
    49,864.50/75,140.79 = 45,184.32/x
  3. Step 3: Cross multiply
    49,864.50x = 75,140.79 × 45,184.32
  4. Step 4: Simplify right side
    49,864.50x = 3,395,185,500.41
  5. Step 5: Solve for x
    x = 3,395,185,500.41/49,864.50
  6. Step 6: Final answer
    x = 68,088.23

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.