Home / 93,942.18-129,639.42-51,500.61

Finding the Fourth Proportional to 93,942.18, 129,639.42 and 51,500.61

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Solution

The fourth proportional to 93,942.18, 129,639.42 and 51,500.61 is: 71,070.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,942.18 : 129,639.42 = 51,500.61 : x
  2. Step 2: Convert to fraction form
    93,942.18/129,639.42 = 51,500.61/x
  3. Step 3: Cross multiply
    93,942.18x = 129,639.42 × 51,500.61
  4. Step 4: Simplify right side
    93,942.18x = 6,676,509,210.05
  5. Step 5: Solve for x
    x = 6,676,509,210.05/93,942.18
  6. Step 6: Final answer
    x = 71,070.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.