Home / 85,031.09-117,504.74-63,773.45

Finding the Fourth Proportional to 85,031.09, 117,504.74 and 63,773.45

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Solution

The fourth proportional to 85,031.09, 117,504.74 and 63,773.45 is: 88,128.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,031.09 : 117,504.74 = 63,773.45 : x
  2. Step 2: Convert to fraction form
    85,031.09/117,504.74 = 63,773.45/x
  3. Step 3: Cross multiply
    85,031.09x = 117,504.74 × 63,773.45
  4. Step 4: Simplify right side
    85,031.09x = 7,493,682,661.15
  5. Step 5: Solve for x
    x = 7,493,682,661.15/85,031.09
  6. Step 6: Final answer
    x = 88,128.74

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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.