Home / 45,462.12-68,222.31-22,075.80

Finding the Fourth Proportional to 45,462.12, 68,222.31 and 22,075.80

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Solution

The fourth proportional to 45,462.12, 68,222.31 and 22,075.80 is: 33,127.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,462.12 : 68,222.31 = 22,075.80 : x
  2. Step 2: Convert to fraction form
    45,462.12/68,222.31 = 22,075.80/x
  3. Step 3: Cross multiply
    45,462.12x = 68,222.31 × 22,075.80
  4. Step 4: Simplify right side
    45,462.12x = 1,506,062,071.10
  5. Step 5: Solve for x
    x = 1,506,062,071.10/45,462.12
  6. Step 6: Final answer
    x = 33,127.85

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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.