Home / 68,343.36-94,313.93-38,127.86

Finding the Fourth Proportional to 68,343.36, 94,313.93 and 38,127.86

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Solution

The fourth proportional to 68,343.36, 94,313.93 and 38,127.86 is: 52,616.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,343.36 : 94,313.93 = 38,127.86 : x
  2. Step 2: Convert to fraction form
    68,343.36/94,313.93 = 38,127.86/x
  3. Step 3: Cross multiply
    68,343.36x = 94,313.93 × 38,127.86
  4. Step 4: Simplify right side
    68,343.36x = 3,595,988,319.09
  5. Step 5: Solve for x
    x = 3,595,988,319.09/68,343.36
  6. Step 6: Final answer
    x = 52,616.50

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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.