Home / 83,465.33-125,323.07-72,255.25

Finding the Fourth Proportional to 83,465.33, 125,323.07 and 72,255.25

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Solution

The fourth proportional to 83,465.33, 125,323.07 and 72,255.25 is: 108,491.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,465.33 : 125,323.07 = 72,255.25 : x
  2. Step 2: Convert to fraction form
    83,465.33/125,323.07 = 72,255.25/x
  3. Step 3: Cross multiply
    83,465.33x = 125,323.07 × 72,255.25
  4. Step 4: Simplify right side
    83,465.33x = 9,055,249,020.29
  5. Step 5: Solve for x
    x = 9,055,249,020.29/83,465.33
  6. Step 6: Final answer
    x = 108,491.14

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1.5x scale

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.