Home / 103,639.65-155,459.48-37,081.95

Finding the Fourth Proportional to 103,639.65, 155,459.48 and 37,081.95

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Solution

The fourth proportional to 103,639.65, 155,459.48 and 37,081.95 is: 55,622.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,639.65 : 155,459.48 = 37,081.95 : x
  2. Step 2: Convert to fraction form
    103,639.65/155,459.48 = 37,081.95/x
  3. Step 3: Cross multiply
    103,639.65x = 155,459.48 × 37,081.95
  4. Step 4: Simplify right side
    103,639.65x = 5,764,740,478.98
  5. Step 5: Solve for x
    x = 5,764,740,478.98/103,639.65
  6. Step 6: Final answer
    x = 55,622.93

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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.