Home / 67,048.18-92,485.44-39,805.77

Finding the Fourth Proportional to 67,048.18, 92,485.44 and 39,805.77

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Solution

The fourth proportional to 67,048.18, 92,485.44 and 39,805.77 is: 54,907.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,048.18 : 92,485.44 = 39,805.77 : x
  2. Step 2: Convert to fraction form
    67,048.18/92,485.44 = 39,805.77/x
  3. Step 3: Cross multiply
    67,048.18x = 92,485.44 × 39,805.77
  4. Step 4: Simplify right side
    67,048.18x = 3,681,454,499.81
  5. Step 5: Solve for x
    x = 3,681,454,499.81/67,048.18
  6. Step 6: Final answer
    x = 54,907.60

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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.