Home / 105,904.60-158,878.77-31,027.19

Finding the Fourth Proportional to 105,904.60, 158,878.77 and 31,027.19

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Solution

The fourth proportional to 105,904.60, 158,878.77 and 31,027.19 is: 46,547.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,904.60 : 158,878.77 = 31,027.19 : x
  2. Step 2: Convert to fraction form
    105,904.60/158,878.77 = 31,027.19/x
  3. Step 3: Cross multiply
    105,904.60x = 158,878.77 × 31,027.19
  4. Step 4: Simplify right side
    105,904.60x = 4,929,561,701.51
  5. Step 5: Solve for x
    x = 4,929,561,701.51/105,904.60
  6. Step 6: Final answer
    x = 46,547.19

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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.