Home / 85,062.09-117,390.30-47,337.15

Finding the Fourth Proportional to 85,062.09, 117,390.30 and 47,337.15

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Solution

The fourth proportional to 85,062.09, 117,390.30 and 47,337.15 is: 65,327.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,062.09 : 117,390.30 = 47,337.15 : x
  2. Step 2: Convert to fraction form
    85,062.09/117,390.30 = 47,337.15/x
  3. Step 3: Cross multiply
    85,062.09x = 117,390.30 × 47,337.15
  4. Step 4: Simplify right side
    85,062.09x = 5,556,922,239.65
  5. Step 5: Solve for x
    x = 5,556,922,239.65/85,062.09
  6. Step 6: Final answer
    x = 65,327.84

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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.