Home / 45,130.32-67,692.60-15,548.76

Finding the Fourth Proportional to 45,130.32, 67,692.60 and 15,548.76

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Solution

The fourth proportional to 45,130.32, 67,692.60 and 15,548.76 is: 23,322.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,130.32 : 67,692.60 = 15,548.76 : x
  2. Step 2: Convert to fraction form
    45,130.32/67,692.60 = 15,548.76/x
  3. Step 3: Cross multiply
    45,130.32x = 67,692.60 × 15,548.76
  4. Step 4: Simplify right side
    45,130.32x = 1,052,535,991.18
  5. Step 5: Solve for x
    x = 1,052,535,991.18/45,130.32
  6. Step 6: Final answer
    x = 23,322.15

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1.5x scale

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.