Home / 103,257.29-154,823.55-46,320.77

Finding the Fourth Proportional to 103,257.29, 154,823.55 and 46,320.77

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Solution

The fourth proportional to 103,257.29, 154,823.55 and 46,320.77 is: 69,453.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,257.29 : 154,823.55 = 46,320.77 : x
  2. Step 2: Convert to fraction form
    103,257.29/154,823.55 = 46,320.77/x
  3. Step 3: Cross multiply
    103,257.29x = 154,823.55 × 46,320.77
  4. Step 4: Simplify right side
    103,257.29x = 7,171,546,050.13
  5. Step 5: Solve for x
    x = 7,171,546,050.13/103,257.29
  6. Step 6: Final answer
    x = 69,453.17

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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.