Home / 100,531.54-150,567.57-47,977.93

Finding the Fourth Proportional to 100,531.54, 150,567.57 and 47,977.93

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Solution

The fourth proportional to 100,531.54, 150,567.57 and 47,977.93 is: 71,857.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,531.54 : 150,567.57 = 47,977.93 : x
  2. Step 2: Convert to fraction form
    100,531.54/150,567.57 = 47,977.93/x
  3. Step 3: Cross multiply
    100,531.54x = 150,567.57 × 47,977.93
  4. Step 4: Simplify right side
    100,531.54x = 7,223,920,333.73
  5. Step 5: Solve for x
    x = 7,223,920,333.73/100,531.54
  6. Step 6: Final answer
    x = 71,857.25

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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.