Home / 67,864.98-93,621.20-40,622.48

Finding the Fourth Proportional to 67,864.98, 93,621.20 and 40,622.48

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Solution

The fourth proportional to 67,864.98, 93,621.20 and 40,622.48 is: 56,039.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,864.98 : 93,621.20 = 40,622.48 : x
  2. Step 2: Convert to fraction form
    67,864.98/93,621.20 = 40,622.48/x
  3. Step 3: Cross multiply
    67,864.98x = 93,621.20 × 40,622.48
  4. Step 4: Simplify right side
    67,864.98x = 3,803,124,653.36
  5. Step 5: Solve for x
    x = 3,803,124,653.36/67,864.98
  6. Step 6: Final answer
    x = 56,039.58

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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.