Home / 91,233.03-136,848.60-28,903.53

Finding the Fourth Proportional to 91,233.03, 136,848.60 and 28,903.53

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Solution

The fourth proportional to 91,233.03, 136,848.60 and 28,903.53 is: 43,355.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,233.03 : 136,848.60 = 28,903.53 : x
  2. Step 2: Convert to fraction form
    91,233.03/136,848.60 = 28,903.53/x
  3. Step 3: Cross multiply
    91,233.03x = 136,848.60 × 28,903.53
  4. Step 4: Simplify right side
    91,233.03x = 3,955,407,615.56
  5. Step 5: Solve for x
    x = 3,955,407,615.56/91,233.03
  6. Step 6: Final answer
    x = 43,355.00

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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.