Home / 79,075.87-118,619.89-22,916.75

Finding the Fourth Proportional to 79,075.87, 118,619.89 and 22,916.75

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Solution

The fourth proportional to 79,075.87, 118,619.89 and 22,916.75 is: 34,376.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,075.87 : 118,619.89 = 22,916.75 : x
  2. Step 2: Convert to fraction form
    79,075.87/118,619.89 = 22,916.75/x
  3. Step 3: Cross multiply
    79,075.87x = 118,619.89 × 22,916.75
  4. Step 4: Simplify right side
    79,075.87x = 2,718,381,713.77
  5. Step 5: Solve for x
    x = 2,718,381,713.77/79,075.87
  6. Step 6: Final answer
    x = 34,376.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.