Home / 100,881.02-151,322.75-34,322.51

Finding the Fourth Proportional to 100,881.02, 151,322.75 and 34,322.51

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Solution

The fourth proportional to 100,881.02, 151,322.75 and 34,322.51 is: 51,484.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,881.02 : 151,322.75 = 34,322.51 : x
  2. Step 2: Convert to fraction form
    100,881.02/151,322.75 = 34,322.51/x
  3. Step 3: Cross multiply
    100,881.02x = 151,322.75 × 34,322.51
  4. Step 4: Simplify right side
    100,881.02x = 5,193,776,600.10
  5. Step 5: Solve for x
    x = 5,193,776,600.10/100,881.02
  6. Step 6: Final answer
    x = 51,484.18

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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.