Home / 103,848.96-155,799.74-28,969.09

Finding the Fourth Proportional to 103,848.96, 155,799.74 and 28,969.09

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Solution

The fourth proportional to 103,848.96, 155,799.74 and 28,969.09 is: 43,460.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,848.96 : 155,799.74 = 28,969.09 : x
  2. Step 2: Convert to fraction form
    103,848.96/155,799.74 = 28,969.09/x
  3. Step 3: Cross multiply
    103,848.96x = 155,799.74 × 28,969.09
  4. Step 4: Simplify right side
    103,848.96x = 4,513,376,690.04
  5. Step 5: Solve for x
    x = 4,513,376,690.04/103,848.96
  6. Step 6: Final answer
    x = 43,460.97

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1.5x scale

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.