Home / 88,051.90-131,899.44-70,312.60

Finding the Fourth Proportional to 88,051.90, 131,899.44 and 70,312.60

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Solution

The fourth proportional to 88,051.90, 131,899.44 and 70,312.60 is: 105,326.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,051.90 : 131,899.44 = 70,312.60 : x
  2. Step 2: Convert to fraction form
    88,051.90/131,899.44 = 70,312.60/x
  3. Step 3: Cross multiply
    88,051.90x = 131,899.44 × 70,312.60
  4. Step 4: Simplify right side
    88,051.90x = 9,274,192,564.94
  5. Step 5: Solve for x
    x = 9,274,192,564.94/88,051.90
  6. Step 6: Final answer
    x = 105,326.43

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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.