Home / 93,331.20-139,960.32-40,704.72

Finding the Fourth Proportional to 93,331.20, 139,960.32 and 40,704.72

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Solution

The fourth proportional to 93,331.20, 139,960.32 and 40,704.72 is: 61,041.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,331.20 : 139,960.32 = 40,704.72 : x
  2. Step 2: Convert to fraction form
    93,331.20/139,960.32 = 40,704.72/x
  3. Step 3: Cross multiply
    93,331.20x = 139,960.32 × 40,704.72
  4. Step 4: Simplify right side
    93,331.20x = 5,697,045,636.71
  5. Step 5: Solve for x
    x = 5,697,045,636.71/93,331.20
  6. Step 6: Final answer
    x = 61,041.17

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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.