Home / 85,290.02-117,699.96-47,564.26

Finding the Fourth Proportional to 85,290.02, 117,699.96 and 47,564.26

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Solution

The fourth proportional to 85,290.02, 117,699.96 and 47,564.26 is: 65,638.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,290.02 : 117,699.96 = 47,564.26 : x
  2. Step 2: Convert to fraction form
    85,290.02/117,699.96 = 47,564.26/x
  3. Step 3: Cross multiply
    85,290.02x = 117,699.96 × 47,564.26
  4. Step 4: Simplify right side
    85,290.02x = 5,598,311,499.43
  5. Step 5: Solve for x
    x = 5,598,311,499.43/85,290.02
  6. Step 6: Final answer
    x = 65,638.53

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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.