Home / 66,448.35-99,689.40-22,075.38

Finding the Fourth Proportional to 66,448.35, 99,689.40 and 22,075.38

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Solution

The fourth proportional to 66,448.35, 99,689.40 and 22,075.38 is: 33,118.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,448.35 : 99,689.40 = 22,075.38 : x
  2. Step 2: Convert to fraction form
    66,448.35/99,689.40 = 22,075.38/x
  3. Step 3: Cross multiply
    66,448.35x = 99,689.40 × 22,075.38
  4. Step 4: Simplify right side
    66,448.35x = 2,200,681,386.97
  5. Step 5: Solve for x
    x = 2,200,681,386.97/66,448.35
  6. Step 6: Final answer
    x = 33,118.68

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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.