Home / 93,140.92-139,717.86-30,855.16

Finding the Fourth Proportional to 93,140.92, 139,717.86 and 30,855.16

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Solution

The fourth proportional to 93,140.92, 139,717.86 and 30,855.16 is: 46,284.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,140.92 : 139,717.86 = 30,855.16 : x
  2. Step 2: Convert to fraction form
    93,140.92/139,717.86 = 30,855.16/x
  3. Step 3: Cross multiply
    93,140.92x = 139,717.86 × 30,855.16
  4. Step 4: Simplify right side
    93,140.92x = 4,311,016,925.16
  5. Step 5: Solve for x
    x = 4,311,016,925.16/93,140.92
  6. Step 6: Final answer
    x = 46,284.89

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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.