Home / 100,700.57-151,091.90-64,717.33

Finding the Fourth Proportional to 100,700.57, 151,091.90 and 64,717.33

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Solution

The fourth proportional to 100,700.57, 151,091.90 and 64,717.33 is: 97,102.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,700.57 : 151,091.90 = 64,717.33 : x
  2. Step 2: Convert to fraction form
    100,700.57/151,091.90 = 64,717.33/x
  3. Step 3: Cross multiply
    100,700.57x = 151,091.90 × 64,717.33
  4. Step 4: Simplify right side
    100,700.57x = 9,778,264,352.63
  5. Step 5: Solve for x
    x = 9,778,264,352.63/100,700.57
  6. Step 6: Final answer
    x = 97,102.37

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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.