Home / 113,875.40-170,864.30-51,513.80

Finding the Fourth Proportional to 113,875.40, 170,864.30 and 51,513.80

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Solution

The fourth proportional to 113,875.40, 170,864.30 and 51,513.80 is: 77,293.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,875.40 : 170,864.30 = 51,513.80 : x
  2. Step 2: Convert to fraction form
    113,875.40/170,864.30 = 51,513.80/x
  3. Step 3: Cross multiply
    113,875.40x = 170,864.30 × 51,513.80
  4. Step 4: Simplify right side
    113,875.40x = 8,801,869,377.34
  5. Step 5: Solve for x
    x = 8,801,869,377.34/113,875.40
  6. Step 6: Final answer
    x = 77,293.86

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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.