Home / 58,878.20-81,223.36-34,987.96

Finding the Fourth Proportional to 58,878.20, 81,223.36 and 34,987.96

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Solution

The fourth proportional to 58,878.20, 81,223.36 and 34,987.96 is: 48,266.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,878.20 : 81,223.36 = 34,987.96 : x
  2. Step 2: Convert to fraction form
    58,878.20/81,223.36 = 34,987.96/x
  3. Step 3: Cross multiply
    58,878.20x = 81,223.36 × 34,987.96
  4. Step 4: Simplify right side
    58,878.20x = 2,841,839,670.75
  5. Step 5: Solve for x
    x = 2,841,839,670.75/58,878.20
  6. Step 6: Final answer
    x = 48,266.42

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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.