Home / 70,692.18-97,555.44-40,477.98

Finding the Fourth Proportional to 70,692.18, 97,555.44 and 40,477.98

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Solution

The fourth proportional to 70,692.18, 97,555.44 and 40,477.98 is: 55,859.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,692.18 : 97,555.44 = 40,477.98 : x
  2. Step 2: Convert to fraction form
    70,692.18/97,555.44 = 40,477.98/x
  3. Step 3: Cross multiply
    70,692.18x = 97,555.44 × 40,477.98
  4. Step 4: Simplify right side
    70,692.18x = 3,948,847,149.21
  5. Step 5: Solve for x
    x = 3,948,847,149.21/70,692.18
  6. Step 6: Final answer
    x = 55,859.75

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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.