Home / 71,075.72-98,085.12-39,247.04

Finding the Fourth Proportional to 71,075.72, 98,085.12 and 39,247.04

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Solution

The fourth proportional to 71,075.72, 98,085.12 and 39,247.04 is: 54,161.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,075.72 : 98,085.12 = 39,247.04 : x
  2. Step 2: Convert to fraction form
    71,075.72/98,085.12 = 39,247.04/x
  3. Step 3: Cross multiply
    71,075.72x = 98,085.12 × 39,247.04
  4. Step 4: Simplify right side
    71,075.72x = 3,849,550,628.04
  5. Step 5: Solve for x
    x = 3,849,550,628.04/71,075.72
  6. Step 6: Final answer
    x = 54,161.26

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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.