Home / 71,110.58-98,126.25-40,887.86

Finding the Fourth Proportional to 71,110.58, 98,126.25 and 40,887.86

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Solution

The fourth proportional to 71,110.58, 98,126.25 and 40,887.86 is: 56,421.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,110.58 : 98,126.25 = 40,887.86 : x
  2. Step 2: Convert to fraction form
    71,110.58/98,126.25 = 40,887.86/x
  3. Step 3: Cross multiply
    71,110.58x = 98,126.25 × 40,887.86
  4. Step 4: Simplify right side
    71,110.58x = 4,012,172,372.33
  5. Step 5: Solve for x
    x = 4,012,172,372.33/71,110.58
  6. Step 6: Final answer
    x = 56,421.60

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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.