Home / 65,500.24-90,390.31-35,692.24

Finding the Fourth Proportional to 65,500.24, 90,390.31 and 35,692.24

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Solution

The fourth proportional to 65,500.24, 90,390.31 and 35,692.24 is: 49,255.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,500.24 : 90,390.31 = 35,692.24 : x
  2. Step 2: Convert to fraction form
    65,500.24/90,390.31 = 35,692.24/x
  3. Step 3: Cross multiply
    65,500.24x = 90,390.31 × 35,692.24
  4. Step 4: Simplify right side
    65,500.24x = 3,226,232,638.19
  5. Step 5: Solve for x
    x = 3,226,232,638.19/65,500.24
  6. Step 6: Final answer
    x = 49,255.28

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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.