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Finding the Fourth Proportional to 93,612.47, 140,453.79 and 48,605.73

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Solution

The fourth proportional to 93,612.47, 140,453.79 and 48,605.73 is: 72,926.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,612.47 : 140,453.79 = 48,605.73 : x
  2. Step 2: Convert to fraction form
    93,612.47/140,453.79 = 48,605.73/x
  3. Step 3: Cross multiply
    93,612.47x = 140,453.79 × 48,605.73
  4. Step 4: Simplify right side
    93,612.47x = 6,826,859,075.30
  5. Step 5: Solve for x
    x = 6,826,859,075.30/93,612.47
  6. Step 6: Final answer
    x = 72,926.81

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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.