Home / 73,907.24-101,991.98-39,915.74

Finding the Fourth Proportional to 73,907.24, 101,991.98 and 39,915.74

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Solution

The fourth proportional to 73,907.24, 101,991.98 and 39,915.74 is: 55,083.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,907.24 : 101,991.98 = 39,915.74 : x
  2. Step 2: Convert to fraction form
    73,907.24/101,991.98 = 39,915.74/x
  3. Step 3: Cross multiply
    73,907.24x = 101,991.98 × 39,915.74
  4. Step 4: Simplify right side
    73,907.24x = 4,071,085,355.77
  5. Step 5: Solve for x
    x = 4,071,085,355.77/73,907.24
  6. Step 6: Final answer
    x = 55,083.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.