Home / 76,057.03-104,962.40-42,065.38

Finding the Fourth Proportional to 76,057.03, 104,962.40 and 42,065.38

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Solution

The fourth proportional to 76,057.03, 104,962.40 and 42,065.38 is: 58,052.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,057.03 : 104,962.40 = 42,065.38 : x
  2. Step 2: Convert to fraction form
    76,057.03/104,962.40 = 42,065.38/x
  3. Step 3: Cross multiply
    76,057.03x = 104,962.40 × 42,065.38
  4. Step 4: Simplify right side
    76,057.03x = 4,415,283,241.71
  5. Step 5: Solve for x
    x = 4,415,283,241.71/76,057.03
  6. Step 6: Final answer
    x = 58,052.27

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1.5x scale

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.