Home / 96,431.46-133,074.54-53,990.70

Finding the Fourth Proportional to 96,431.46, 133,074.54 and 53,990.70

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Solution

The fourth proportional to 96,431.46, 133,074.54 and 53,990.70 is: 74,506.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,431.46 : 133,074.54 = 53,990.70 : x
  2. Step 2: Convert to fraction form
    96,431.46/133,074.54 = 53,990.70/x
  3. Step 3: Cross multiply
    96,431.46x = 133,074.54 × 53,990.70
  4. Step 4: Simplify right side
    96,431.46x = 7,184,787,566.78
  5. Step 5: Solve for x
    x = 7,184,787,566.78/96,431.46
  6. Step 6: Final answer
    x = 74,506.68

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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.