Home / 91,708.45-137,582.48-28,527.37

Finding the Fourth Proportional to 91,708.45, 137,582.48 and 28,527.37

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Solution

The fourth proportional to 91,708.45, 137,582.48 and 28,527.37 is: 42,797.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,708.45 : 137,582.48 = 28,527.37 : x
  2. Step 2: Convert to fraction form
    91,708.45/137,582.48 = 28,527.37/x
  3. Step 3: Cross multiply
    91,708.45x = 137,582.48 × 28,527.37
  4. Step 4: Simplify right side
    91,708.45x = 3,924,866,312.48
  5. Step 5: Solve for x
    x = 3,924,866,312.48/91,708.45
  6. Step 6: Final answer
    x = 42,797.22

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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.