Home / 105,890.15-158,788.58-49,746.22

Finding the Fourth Proportional to 105,890.15, 158,788.58 and 49,746.22

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Solution

The fourth proportional to 105,890.15, 158,788.58 and 49,746.22 is: 74,597.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,890.15 : 158,788.58 = 49,746.22 : x
  2. Step 2: Convert to fraction form
    105,890.15/158,788.58 = 49,746.22/x
  3. Step 3: Cross multiply
    105,890.15x = 158,788.58 × 49,746.22
  4. Step 4: Simplify right side
    105,890.15x = 7,899,130,988.47
  5. Step 5: Solve for x
    x = 7,899,130,988.47/105,890.15
  6. Step 6: Final answer
    x = 74,597.41

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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.