Home / 89,120.96-133,698.32-35,817.08

Finding the Fourth Proportional to 89,120.96, 133,698.32 and 35,817.08

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Solution

The fourth proportional to 89,120.96, 133,698.32 and 35,817.08 is: 53,732.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,120.96 : 133,698.32 = 35,817.08 : x
  2. Step 2: Convert to fraction form
    89,120.96/133,698.32 = 35,817.08/x
  3. Step 3: Cross multiply
    89,120.96x = 133,698.32 × 35,817.08
  4. Step 4: Simplify right side
    89,120.96x = 4,788,683,423.31
  5. Step 5: Solve for x
    x = 4,788,683,423.31/89,120.96
  6. Step 6: Final answer
    x = 53,732.40

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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.