Home / 71,983.16-99,285.32-62,405.94

Finding the Fourth Proportional to 71,983.16, 99,285.32 and 62,405.94

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Solution

The fourth proportional to 71,983.16, 99,285.32 and 62,405.94 is: 86,075.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,983.16 : 99,285.32 = 62,405.94 : x
  2. Step 2: Convert to fraction form
    71,983.16/99,285.32 = 62,405.94/x
  3. Step 3: Cross multiply
    71,983.16x = 99,285.32 × 62,405.94
  4. Step 4: Simplify right side
    71,983.16x = 6,195,993,722.80
  5. Step 5: Solve for x
    x = 6,195,993,722.80/71,983.16
  6. Step 6: Final answer
    x = 86,075.60

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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.