Home / 83,097.07-124,646.21-30,506.60

Finding the Fourth Proportional to 83,097.07, 124,646.21 and 30,506.60

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Solution

The fourth proportional to 83,097.07, 124,646.21 and 30,506.60 is: 45,760.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,097.07 : 124,646.21 = 30,506.60 : x
  2. Step 2: Convert to fraction form
    83,097.07/124,646.21 = 30,506.60/x
  3. Step 3: Cross multiply
    83,097.07x = 124,646.21 × 30,506.60
  4. Step 4: Simplify right side
    83,097.07x = 3,802,532,069.99
  5. Step 5: Solve for x
    x = 3,802,532,069.99/83,097.07
  6. Step 6: Final answer
    x = 45,760.12

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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.