Home / 117,482.40-162,126.09-63,767.39

Finding the Fourth Proportional to 117,482.40, 162,126.09 and 63,767.39

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Solution

The fourth proportional to 117,482.40, 162,126.09 and 63,767.39 is: 87,999.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,482.40 : 162,126.09 = 63,767.39 : x
  2. Step 2: Convert to fraction form
    117,482.40/162,126.09 = 63,767.39/x
  3. Step 3: Cross multiply
    117,482.40x = 162,126.09 × 63,767.39
  4. Step 4: Simplify right side
    117,482.40x = 10,338,356,799.57
  5. Step 5: Solve for x
    x = 10,338,356,799.57/117,482.40
  6. Step 6: Final answer
    x = 87,999.20

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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.