Home / 65,209.73-90,032.64-50,075.24

Finding the Fourth Proportional to 65,209.73, 90,032.64 and 50,075.24

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Solution

The fourth proportional to 65,209.73, 90,032.64 and 50,075.24 is: 69,137.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,209.73 : 90,032.64 = 50,075.24 : x
  2. Step 2: Convert to fraction form
    65,209.73/90,032.64 = 50,075.24/x
  3. Step 3: Cross multiply
    65,209.73x = 90,032.64 × 50,075.24
  4. Step 4: Simplify right side
    65,209.73x = 4,508,405,811.94
  5. Step 5: Solve for x
    x = 4,508,405,811.94/65,209.73
  6. Step 6: Final answer
    x = 69,137.01

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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.