Home / 69,075.66-95,327.91-40,780.74

Finding the Fourth Proportional to 69,075.66, 95,327.91 and 40,780.74

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Solution

The fourth proportional to 69,075.66, 95,327.91 and 40,780.74 is: 56,279.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,075.66 : 95,327.91 = 40,780.74 : x
  2. Step 2: Convert to fraction form
    69,075.66/95,327.91 = 40,780.74/x
  3. Step 3: Cross multiply
    69,075.66x = 95,327.91 × 40,780.74
  4. Step 4: Simplify right side
    69,075.66x = 3,887,542,712.45
  5. Step 5: Solve for x
    x = 3,887,542,712.45/69,075.66
  6. Step 6: Final answer
    x = 56,279.49

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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.