Home / 94,987.36-142,349.82-82,477.72

Finding the Fourth Proportional to 94,987.36, 142,349.82 and 82,477.72

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Solution

The fourth proportional to 94,987.36, 142,349.82 and 82,477.72 is: 123,602.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,987.36 : 142,349.82 = 82,477.72 : x
  2. Step 2: Convert to fraction form
    94,987.36/142,349.82 = 82,477.72/x
  3. Step 3: Cross multiply
    94,987.36x = 142,349.82 × 82,477.72
  4. Step 4: Simplify right side
    94,987.36x = 11,740,688,596.01
  5. Step 5: Solve for x
    x = 11,740,688,596.01/94,987.36
  6. Step 6: Final answer
    x = 123,602.64

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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.