Home / 85,080.06-117,409.32-47,354.31

Finding the Fourth Proportional to 85,080.06, 117,409.32 and 47,354.31

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Solution

The fourth proportional to 85,080.06, 117,409.32 and 47,354.31 is: 65,348.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,080.06 : 117,409.32 = 47,354.31 : x
  2. Step 2: Convert to fraction form
    85,080.06/117,409.32 = 47,354.31/x
  3. Step 3: Cross multiply
    85,080.06x = 117,409.32 × 47,354.31
  4. Step 4: Simplify right side
    85,080.06x = 5,559,837,336.17
  5. Step 5: Solve for x
    x = 5,559,837,336.17/85,080.06
  6. Step 6: Final answer
    x = 65,348.30

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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.