Home / 85,330.37-117,755.09-47,090.27

Finding the Fourth Proportional to 85,330.37, 117,755.09 and 47,090.27

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Solution

The fourth proportional to 85,330.37, 117,755.09 and 47,090.27 is: 64,984.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,330.37 : 117,755.09 = 47,090.27 : x
  2. Step 2: Convert to fraction form
    85,330.37/117,755.09 = 47,090.27/x
  3. Step 3: Cross multiply
    85,330.37x = 117,755.09 × 47,090.27
  4. Step 4: Simplify right side
    85,330.37x = 5,545,118,746.52
  5. Step 5: Solve for x
    x = 5,545,118,746.52/85,330.37
  6. Step 6: Final answer
    x = 64,984.12

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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.