Home / 96,406.20-133,056.47-66,166.67

Finding the Fourth Proportional to 96,406.20, 133,056.47 and 66,166.67

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Solution

The fourth proportional to 96,406.20, 133,056.47 and 66,166.67 is: 91,320.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,406.20 : 133,056.47 = 66,166.67 : x
  2. Step 2: Convert to fraction form
    96,406.20/133,056.47 = 66,166.67/x
  3. Step 3: Cross multiply
    96,406.20x = 133,056.47 × 66,166.67
  4. Step 4: Simplify right side
    96,406.20x = 8,803,904,039.91
  5. Step 5: Solve for x
    x = 8,803,904,039.91/96,406.20
  6. Step 6: Final answer
    x = 91,320.93

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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.