Home / 79,037.73-109,075.10-45,051.57

Finding the Fourth Proportional to 79,037.73, 109,075.10 and 45,051.57

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Solution

The fourth proportional to 79,037.73, 109,075.10 and 45,051.57 is: 62,172.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,037.73 : 109,075.10 = 45,051.57 : x
  2. Step 2: Convert to fraction form
    79,037.73/109,075.10 = 45,051.57/x
  3. Step 3: Cross multiply
    79,037.73x = 109,075.10 × 45,051.57
  4. Step 4: Simplify right side
    79,037.73x = 4,914,004,277.65
  5. Step 5: Solve for x
    x = 4,914,004,277.65/79,037.73
  6. Step 6: Final answer
    x = 62,172.89

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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.