Home / 105,225.03-157,820.54-38,648.70

Finding the Fourth Proportional to 105,225.03, 157,820.54 and 38,648.70

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Solution

The fourth proportional to 105,225.03, 157,820.54 and 38,648.70 is: 57,966.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,225.03 : 157,820.54 = 38,648.70 : x
  2. Step 2: Convert to fraction form
    105,225.03/157,820.54 = 38,648.70/x
  3. Step 3: Cross multiply
    105,225.03x = 157,820.54 × 38,648.70
  4. Step 4: Simplify right side
    105,225.03x = 6,099,558,511.05
  5. Step 5: Solve for x
    x = 6,099,558,511.05/105,225.03
  6. Step 6: Final answer
    x = 57,966.80

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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.