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Finding the Fourth Proportional to 93,730.46, 140,595.69 and 41,140.40

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Solution

The fourth proportional to 93,730.46, 140,595.69 and 41,140.40 is: 61,710.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,730.46 : 140,595.69 = 41,140.40 : x
  2. Step 2: Convert to fraction form
    93,730.46/140,595.69 = 41,140.40/x
  3. Step 3: Cross multiply
    93,730.46x = 140,595.69 × 41,140.40
  4. Step 4: Simplify right side
    93,730.46x = 5,784,162,924.88
  5. Step 5: Solve for x
    x = 5,784,162,924.88/93,730.46
  6. Step 6: Final answer
    x = 61,710.60

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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.