Home / 68,342.36-94,312.55-38,126.86

Finding the Fourth Proportional to 68,342.36, 94,312.55 and 38,126.86

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Solution

The fourth proportional to 68,342.36, 94,312.55 and 38,126.86 is: 52,615.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,342.36 : 94,312.55 = 38,126.86 : x
  2. Step 2: Convert to fraction form
    68,342.36/94,312.55 = 38,126.86/x
  3. Step 3: Cross multiply
    68,342.36x = 94,312.55 × 38,126.86
  4. Step 4: Simplify right side
    68,342.36x = 3,595,841,249.63
  5. Step 5: Solve for x
    x = 3,595,841,249.63/68,342.36
  6. Step 6: Final answer
    x = 52,615.12

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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.