Home / 86,066.18-118,771.08-47,825.57

Finding the Fourth Proportional to 86,066.18, 118,771.08 and 47,825.57

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Solution

The fourth proportional to 86,066.18, 118,771.08 and 47,825.57 is: 65,999.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,066.18 : 118,771.08 = 47,825.57 : x
  2. Step 2: Convert to fraction form
    86,066.18/118,771.08 = 47,825.57/x
  3. Step 3: Cross multiply
    86,066.18x = 118,771.08 × 47,825.57
  4. Step 4: Simplify right side
    86,066.18x = 5,680,294,006.66
  5. Step 5: Solve for x
    x = 5,680,294,006.66/86,066.18
  6. Step 6: Final answer
    x = 65,999.15

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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.