Home / 90,848.40-125,374.93-50,564.75

Finding the Fourth Proportional to 90,848.40, 125,374.93 and 50,564.75

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Solution

The fourth proportional to 90,848.40, 125,374.93 and 50,564.75 is: 69,781.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,848.40 : 125,374.93 = 50,564.75 : x
  2. Step 2: Convert to fraction form
    90,848.40/125,374.93 = 50,564.75/x
  3. Step 3: Cross multiply
    90,848.40x = 125,374.93 × 50,564.75
  4. Step 4: Simplify right side
    90,848.40x = 6,339,551,112.02
  5. Step 5: Solve for x
    x = 6,339,551,112.02/90,848.40
  6. Step 6: Final answer
    x = 69,781.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.