Home / 89,639.55-134,459.33-26,460.54

Finding the Fourth Proportional to 89,639.55, 134,459.33 and 26,460.54

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Solution

The fourth proportional to 89,639.55, 134,459.33 and 26,460.54 is: 39,690.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,639.55 : 134,459.33 = 26,460.54 : x
  2. Step 2: Convert to fraction form
    89,639.55/134,459.33 = 26,460.54/x
  3. Step 3: Cross multiply
    89,639.55x = 134,459.33 × 26,460.54
  4. Step 4: Simplify right side
    89,639.55x = 3,557,866,347.54
  5. Step 5: Solve for x
    x = 3,557,866,347.54/89,639.55
  6. Step 6: Final answer
    x = 39,690.81

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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.