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Finding the Fourth Proportional to 93,520.76, 140,300.88 and 30,335.98

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Solution

The fourth proportional to 93,520.76, 140,300.88 and 30,335.98 is: 45,510.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,520.76 : 140,300.88 = 30,335.98 : x
  2. Step 2: Convert to fraction form
    93,520.76/140,300.88 = 30,335.98/x
  3. Step 3: Cross multiply
    93,520.76x = 140,300.88 × 30,335.98
  4. Step 4: Simplify right side
    93,520.76x = 4,256,164,689.66
  5. Step 5: Solve for x
    x = 4,256,164,689.66/93,520.76
  6. Step 6: Final answer
    x = 45,510.37

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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.