Home / 68,358.08-102,501.36-30,885.92

Finding the Fourth Proportional to 68,358.08, 102,501.36 and 30,885.92

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Solution

The fourth proportional to 68,358.08, 102,501.36 and 30,885.92 is: 46,312.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,358.08 : 102,501.36 = 30,885.92 : x
  2. Step 2: Convert to fraction form
    68,358.08/102,501.36 = 30,885.92/x
  3. Step 3: Cross multiply
    68,358.08x = 102,501.36 × 30,885.92
  4. Step 4: Simplify right side
    68,358.08x = 3,165,848,804.85
  5. Step 5: Solve for x
    x = 3,165,848,804.85/68,358.08
  6. Step 6: Final answer
    x = 46,312.72

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1.5x scale

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.