Home / 121,738.59-182,594.93-57,681.27

Finding the Fourth Proportional to 121,738.59, 182,594.93 and 57,681.27

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Solution

The fourth proportional to 121,738.59, 182,594.93 and 57,681.27 is: 86,515.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,738.59 : 182,594.93 = 57,681.27 : x
  2. Step 2: Convert to fraction form
    121,738.59/182,594.93 = 57,681.27/x
  3. Step 3: Cross multiply
    121,738.59x = 182,594.93 × 57,681.27
  4. Step 4: Simplify right side
    121,738.59x = 10,532,307,169.55
  5. Step 5: Solve for x
    x = 10,532,307,169.55/121,738.59
  6. Step 6: Final answer
    x = 86,515.76

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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.