Home / 68,831.51-94,986.89-38,616.18

Finding the Fourth Proportional to 68,831.51, 94,986.89 and 38,616.18

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Solution

The fourth proportional to 68,831.51, 94,986.89 and 38,616.18 is: 53,290.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,831.51 : 94,986.89 = 38,616.18 : x
  2. Step 2: Convert to fraction form
    68,831.51/94,986.89 = 38,616.18/x
  3. Step 3: Cross multiply
    68,831.51x = 94,986.89 × 38,616.18
  4. Step 4: Simplify right side
    68,831.51x = 3,668,030,841.88
  5. Step 5: Solve for x
    x = 3,668,030,841.88/68,831.51
  6. Step 6: Final answer
    x = 53,290.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.