Home / 91,064.94-125,669.08-50,779.18

Finding the Fourth Proportional to 91,064.94, 125,669.08 and 50,779.18

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Solution

The fourth proportional to 91,064.94, 125,669.08 and 50,779.18 is: 70,074.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,064.94 : 125,669.08 = 50,779.18 : x
  2. Step 2: Convert to fraction form
    91,064.94/125,669.08 = 50,779.18/x
  3. Step 3: Cross multiply
    91,064.94x = 125,669.08 × 50,779.18
  4. Step 4: Simplify right side
    91,064.94x = 6,381,372,833.75
  5. Step 5: Solve for x
    x = 6,381,372,833.75/91,064.94
  6. Step 6: Final answer
    x = 70,074.97

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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.