Home / 83,095.07-124,643.21-30,504.60

Finding the Fourth Proportional to 83,095.07, 124,643.21 and 30,504.60

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Solution

The fourth proportional to 83,095.07, 124,643.21 and 30,504.60 is: 45,757.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,095.07 : 124,643.21 = 30,504.60 : x
  2. Step 2: Convert to fraction form
    83,095.07/124,643.21 = 30,504.60/x
  3. Step 3: Cross multiply
    83,095.07x = 124,643.21 × 30,504.60
  4. Step 4: Simplify right side
    83,095.07x = 3,802,191,111.24
  5. Step 5: Solve for x
    x = 3,802,191,111.24/83,095.07
  6. Step 6: Final answer
    x = 45,757.12

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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.