Home / 89,705.42-134,561.22-47,528.46

Finding the Fourth Proportional to 89,705.42, 134,561.22 and 47,528.46

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Solution

The fourth proportional to 89,705.42, 134,561.22 and 47,528.46 is: 71,294.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,705.42 : 134,561.22 = 47,528.46 : x
  2. Step 2: Convert to fraction form
    89,705.42/134,561.22 = 47,528.46/x
  3. Step 3: Cross multiply
    89,705.42x = 134,561.22 × 47,528.46
  4. Step 4: Simplify right side
    89,705.42x = 6,395,487,562.32
  5. Step 5: Solve for x
    x = 6,395,487,562.32/89,705.42
  6. Step 6: Final answer
    x = 71,294.33

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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.