Home / 91,284.68-125,975.04-57,289.52

Finding the Fourth Proportional to 91,284.68, 125,975.04 and 57,289.52

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Solution

The fourth proportional to 91,284.68, 125,975.04 and 57,289.52 is: 79,060.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,284.68 : 125,975.04 = 57,289.52 : x
  2. Step 2: Convert to fraction form
    91,284.68/125,975.04 = 57,289.52/x
  3. Step 3: Cross multiply
    91,284.68x = 125,975.04 × 57,289.52
  4. Step 4: Simplify right side
    91,284.68x = 7,217,049,573.58
  5. Step 5: Solve for x
    x = 7,217,049,573.58/91,284.68
  6. Step 6: Final answer
    x = 79,060.91

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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.