Home / 91,226.05-136,852.17-28,051.48

Finding the Fourth Proportional to 91,226.05, 136,852.17 and 28,051.48

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Solution

The fourth proportional to 91,226.05, 136,852.17 and 28,051.48 is: 42,081.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,226.05 : 136,852.17 = 28,051.48 : x
  2. Step 2: Convert to fraction form
    91,226.05/136,852.17 = 28,051.48/x
  3. Step 3: Cross multiply
    91,226.05x = 136,852.17 × 28,051.48
  4. Step 4: Simplify right side
    91,226.05x = 3,838,905,975.58
  5. Step 5: Solve for x
    x = 3,838,905,975.58/91,226.05
  6. Step 6: Final answer
    x = 42,081.25

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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.