Home / 100,881.27-151,323.12-34,322.76

Finding the Fourth Proportional to 100,881.27, 151,323.12 and 34,322.76

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Solution

The fourth proportional to 100,881.27, 151,323.12 and 34,322.76 is: 51,484.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,881.27 : 151,323.12 = 34,322.76 : x
  2. Step 2: Convert to fraction form
    100,881.27/151,323.12 = 34,322.76/x
  3. Step 3: Cross multiply
    100,881.27x = 151,323.12 × 34,322.76
  4. Step 4: Simplify right side
    100,881.27x = 5,193,827,130.21
  5. Step 5: Solve for x
    x = 5,193,827,130.21/100,881.27
  6. Step 6: Final answer
    x = 51,484.55

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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.