Home / 89,106.51-133,640.90-53,098.91

Finding the Fourth Proportional to 89,106.51, 133,640.90 and 53,098.91

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Solution

The fourth proportional to 89,106.51, 133,640.90 and 53,098.91 is: 79,637.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,106.51 : 133,640.90 = 53,098.91 : x
  2. Step 2: Convert to fraction form
    89,106.51/133,640.90 = 53,098.91/x
  3. Step 3: Cross multiply
    89,106.51x = 133,640.90 × 53,098.91
  4. Step 4: Simplify right side
    89,106.51x = 7,096,186,121.42
  5. Step 5: Solve for x
    x = 7,096,186,121.42/89,106.51
  6. Step 6: Final answer
    x = 79,637.12

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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.