Home / 69,075.40-95,320.38-40,770.76

Finding the Fourth Proportional to 69,075.40, 95,320.38 and 40,770.76

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Solution

The fourth proportional to 69,075.40, 95,320.38 and 40,770.76 is: 56,261.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,075.40 : 95,320.38 = 40,770.76 : x
  2. Step 2: Convert to fraction form
    69,075.40/95,320.38 = 40,770.76/x
  3. Step 3: Cross multiply
    69,075.40x = 95,320.38 × 40,770.76
  4. Step 4: Simplify right side
    69,075.40x = 3,886,284,336.09
  5. Step 5: Solve for x
    x = 3,886,284,336.09/69,075.40
  6. Step 6: Final answer
    x = 56,261.48

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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.