Home / 93,431.15-140,190.47-40,833.80

Finding the Fourth Proportional to 93,431.15, 140,190.47 and 40,833.80

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Solution

The fourth proportional to 93,431.15, 140,190.47 and 40,833.80 is: 61,269.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,431.15 : 140,190.47 = 40,833.80 : x
  2. Step 2: Convert to fraction form
    93,431.15/140,190.47 = 40,833.80/x
  3. Step 3: Cross multiply
    93,431.15x = 140,190.47 × 40,833.80
  4. Step 4: Simplify right side
    93,431.15x = 5,724,509,409.72
  5. Step 5: Solve for x
    x = 5,724,509,409.72/93,431.15
  6. Step 6: Final answer
    x = 61,269.82

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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.