Home / 68,219.98-94,143.63-38,005.37

Finding the Fourth Proportional to 68,219.98, 94,143.63 and 38,005.37

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Solution

The fourth proportional to 68,219.98, 94,143.63 and 38,005.37 is: 52,447.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,219.98 : 94,143.63 = 38,005.37 : x
  2. Step 2: Convert to fraction form
    68,219.98/94,143.63 = 38,005.37/x
  3. Step 3: Cross multiply
    68,219.98x = 94,143.63 × 38,005.37
  4. Step 4: Simplify right side
    68,219.98x = 3,577,963,831.91
  5. Step 5: Solve for x
    x = 3,577,963,831.91/68,219.98
  6. Step 6: Final answer
    x = 52,447.45

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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.