Home / 86,072.76-118,779.57-47,832.39

Finding the Fourth Proportional to 86,072.76, 118,779.57 and 47,832.39

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Solution

The fourth proportional to 86,072.76, 118,779.57 and 47,832.39 is: 66,008.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,072.76 : 118,779.57 = 47,832.39 : x
  2. Step 2: Convert to fraction form
    86,072.76/118,779.57 = 47,832.39/x
  3. Step 3: Cross multiply
    86,072.76x = 118,779.57 × 47,832.39
  4. Step 4: Simplify right side
    86,072.76x = 5,681,510,716.27
  5. Step 5: Solve for x
    x = 5,681,510,716.27/86,072.76
  6. Step 6: Final answer
    x = 66,008.23

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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.