Home / 89,283.14-133,924.71-69,576.45

Finding the Fourth Proportional to 89,283.14, 133,924.71 and 69,576.45

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Solution

The fourth proportional to 89,283.14, 133,924.71 and 69,576.45 is: 104,364.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,283.14 : 133,924.71 = 69,576.45 : x
  2. Step 2: Convert to fraction form
    89,283.14/133,924.71 = 69,576.45/x
  3. Step 3: Cross multiply
    89,283.14x = 133,924.71 × 69,576.45
  4. Step 4: Simplify right side
    89,283.14x = 9,318,005,889.08
  5. Step 5: Solve for x
    x = 9,318,005,889.08/89,283.14
  6. Step 6: Final answer
    x = 104,364.68

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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.