Home / 112,741.96-155,599.14-64,994.44

Finding the Fourth Proportional to 112,741.96, 155,599.14 and 64,994.44

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Solution

The fourth proportional to 112,741.96, 155,599.14 and 64,994.44 is: 89,701.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,741.96 : 155,599.14 = 64,994.44 : x
  2. Step 2: Convert to fraction form
    112,741.96/155,599.14 = 64,994.44/x
  3. Step 3: Cross multiply
    112,741.96x = 155,599.14 × 64,994.44
  4. Step 4: Simplify right side
    112,741.96x = 10,113,078,968.78
  5. Step 5: Solve for x
    x = 10,113,078,968.78/112,741.96
  6. Step 6: Final answer
    x = 89,701.11

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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.