Home / 101,880.44-140,587.96-56,554.84

Finding the Fourth Proportional to 101,880.44, 140,587.96 and 56,554.84

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Solution

The fourth proportional to 101,880.44, 140,587.96 and 56,554.84 is: 78,041.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,880.44 : 140,587.96 = 56,554.84 : x
  2. Step 2: Convert to fraction form
    101,880.44/140,587.96 = 56,554.84/x
  3. Step 3: Cross multiply
    101,880.44x = 140,587.96 × 56,554.84
  4. Step 4: Simplify right side
    101,880.44x = 7,950,929,300.95
  5. Step 5: Solve for x
    x = 7,950,929,300.95/101,880.44
  6. Step 6: Final answer
    x = 78,041.76

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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.