Home / 86,039.83-118,722.13-48,306.79

Finding the Fourth Proportional to 86,039.83, 118,722.13 and 48,306.79

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Solution

The fourth proportional to 86,039.83, 118,722.13 and 48,306.79 is: 66,656.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,039.83 : 118,722.13 = 48,306.79 : x
  2. Step 2: Convert to fraction form
    86,039.83/118,722.13 = 48,306.79/x
  3. Step 3: Cross multiply
    86,039.83x = 118,722.13 × 48,306.79
  4. Step 4: Simplify right side
    86,039.83x = 5,735,085,002.26
  5. Step 5: Solve for x
    x = 5,735,085,002.26/86,039.83
  6. Step 6: Final answer
    x = 66,656.16

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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.