Home / 65,692.38-90,572.46-42,995.37

Finding the Fourth Proportional to 65,692.38, 90,572.46 and 42,995.37

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Solution

The fourth proportional to 65,692.38, 90,572.46 and 42,995.37 is: 59,279.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,692.38 : 90,572.46 = 42,995.37 : x
  2. Step 2: Convert to fraction form
    65,692.38/90,572.46 = 42,995.37/x
  3. Step 3: Cross multiply
    65,692.38x = 90,572.46 × 42,995.37
  4. Step 4: Simplify right side
    65,692.38x = 3,894,196,429.51
  5. Step 5: Solve for x
    x = 3,894,196,429.51/65,692.38
  6. Step 6: Final answer
    x = 59,279.27

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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.