Home / 75,075.39-103,641.57-43,238.16

Finding the Fourth Proportional to 75,075.39, 103,641.57 and 43,238.16

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Solution

The fourth proportional to 75,075.39, 103,641.57 and 43,238.16 is: 59,690.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,075.39 : 103,641.57 = 43,238.16 : x
  2. Step 2: Convert to fraction form
    75,075.39/103,641.57 = 43,238.16/x
  3. Step 3: Cross multiply
    75,075.39x = 103,641.57 × 43,238.16
  4. Step 4: Simplify right side
    75,075.39x = 4,481,270,786.31
  5. Step 5: Solve for x
    x = 4,481,270,786.31/75,075.39
  6. Step 6: Final answer
    x = 59,690.28

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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.