Home / 79,938.12-119,954.70-35,567.40

Finding the Fourth Proportional to 79,938.12, 119,954.70 and 35,567.40

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Solution

The fourth proportional to 79,938.12, 119,954.70 and 35,567.40 is: 53,372.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,938.12 : 119,954.70 = 35,567.40 : x
  2. Step 2: Convert to fraction form
    79,938.12/119,954.70 = 35,567.40/x
  3. Step 3: Cross multiply
    79,938.12x = 119,954.70 × 35,567.40
  4. Step 4: Simplify right side
    79,938.12x = 4,266,476,796.78
  5. Step 5: Solve for x
    x = 4,266,476,796.78/79,938.12
  6. Step 6: Final answer
    x = 53,372.24

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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.