Home / 96,661.02-133,089.08-87,803.67

Finding the Fourth Proportional to 96,661.02, 133,089.08 and 87,803.67

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Solution

The fourth proportional to 96,661.02, 133,089.08 and 87,803.67 is: 120,893.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,661.02 : 133,089.08 = 87,803.67 : x
  2. Step 2: Convert to fraction form
    96,661.02/133,089.08 = 87,803.67/x
  3. Step 3: Cross multiply
    96,661.02x = 133,089.08 × 87,803.67
  4. Step 4: Simplify right side
    96,661.02x = 11,685,709,660.92
  5. Step 5: Solve for x
    x = 11,685,709,660.92/96,661.02
  6. Step 6: Final answer
    x = 120,893.71

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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.