Home / 107,971.56-161,625.06-70,450.92

Finding the Fourth Proportional to 107,971.56, 161,625.06 and 70,450.92

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Solution

The fourth proportional to 107,971.56, 161,625.06 and 70,450.92 is: 105,459.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,971.56 : 161,625.06 = 70,450.92 : x
  2. Step 2: Convert to fraction form
    107,971.56/161,625.06 = 70,450.92/x
  3. Step 3: Cross multiply
    107,971.56x = 161,625.06 × 70,450.92
  4. Step 4: Simplify right side
    107,971.56x = 11,386,634,172.06
  5. Step 5: Solve for x
    x = 11,386,634,172.06/107,971.56
  6. Step 6: Final answer
    x = 105,459.57

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1.5x scale

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.