Home / 105,864.60-158,748.30-46,669.80

Finding the Fourth Proportional to 105,864.60, 158,748.30 and 46,669.80

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Solution

The fourth proportional to 105,864.60, 158,748.30 and 46,669.80 is: 69,983.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,864.60 : 158,748.30 = 46,669.80 : x
  2. Step 2: Convert to fraction form
    105,864.60/158,748.30 = 46,669.80/x
  3. Step 3: Cross multiply
    105,864.60x = 158,748.30 × 46,669.80
  4. Step 4: Simplify right side
    105,864.60x = 7,408,751,411.34
  5. Step 5: Solve for x
    x = 7,408,751,411.34/105,864.60
  6. Step 6: Final answer
    x = 69,983.27

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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.