Home / 91,069.28-125,667.96-50,779.88

Finding the Fourth Proportional to 91,069.28, 125,667.96 and 50,779.88

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Solution

The fourth proportional to 91,069.28, 125,667.96 and 50,779.88 is: 70,071.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,069.28 : 125,667.96 = 50,779.88 : x
  2. Step 2: Convert to fraction form
    91,069.28/125,667.96 = 50,779.88/x
  3. Step 3: Cross multiply
    91,069.28x = 125,667.96 × 50,779.88
  4. Step 4: Simplify right side
    91,069.28x = 6,381,403,928.64
  5. Step 5: Solve for x
    x = 6,381,403,928.64/91,069.28
  6. Step 6: Final answer
    x = 70,071.97

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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.