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Finding the Fourth Proportional to 93,615.56, 140,458.42 and 48,608.84

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Solution

The fourth proportional to 93,615.56, 140,458.42 and 48,608.84 is: 72,931.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,615.56 : 140,458.42 = 48,608.84 : x
  2. Step 2: Convert to fraction form
    93,615.56/140,458.42 = 48,608.84/x
  3. Step 3: Cross multiply
    93,615.56x = 140,458.42 × 48,608.84
  4. Step 4: Simplify right side
    93,615.56x = 6,827,520,864.43
  5. Step 5: Solve for x
    x = 6,827,520,864.43/93,615.56
  6. Step 6: Final answer
    x = 72,931.47

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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.