Home / 93,737.86-140,621.38-30,543.28

Finding the Fourth Proportional to 93,737.86, 140,621.38 and 30,543.28

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Solution

The fourth proportional to 93,737.86, 140,621.38 and 30,543.28 is: 45,819.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,737.86 : 140,621.38 = 30,543.28 : x
  2. Step 2: Convert to fraction form
    93,737.86/140,621.38 = 30,543.28/x
  3. Step 3: Cross multiply
    93,737.86x = 140,621.38 × 30,543.28
  4. Step 4: Simplify right side
    93,737.86x = 4,295,037,755.41
  5. Step 5: Solve for x
    x = 4,295,037,755.41/93,737.86
  6. Step 6: Final answer
    x = 45,819.67

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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.