Home / 107,611.56-161,362.53-57,038.40

Finding the Fourth Proportional to 107,611.56, 161,362.53 and 57,038.40

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Solution

The fourth proportional to 107,611.56, 161,362.53 and 57,038.40 is: 85,528.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,611.56 : 161,362.53 = 57,038.40 : x
  2. Step 2: Convert to fraction form
    107,611.56/161,362.53 = 57,038.40/x
  3. Step 3: Cross multiply
    107,611.56x = 161,362.53 × 57,038.40
  4. Step 4: Simplify right side
    107,611.56x = 9,203,860,531.15
  5. Step 5: Solve for x
    x = 9,203,860,531.15/107,611.56
  6. Step 6: Final answer
    x = 85,528.55

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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.