Home / 85,059.09-117,386.15-47,334.15

Finding the Fourth Proportional to 85,059.09, 117,386.15 and 47,334.15

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Solution

The fourth proportional to 85,059.09, 117,386.15 and 47,334.15 is: 65,323.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,059.09 : 117,386.15 = 47,334.15 : x
  2. Step 2: Convert to fraction form
    85,059.09/117,386.15 = 47,334.15/x
  3. Step 3: Cross multiply
    85,059.09x = 117,386.15 × 47,334.15
  4. Step 4: Simplify right side
    85,059.09x = 5,556,373,395.35
  5. Step 5: Solve for x
    x = 5,556,373,395.35/85,059.09
  6. Step 6: Final answer
    x = 65,323.69

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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.