Home / 86,170.51-118,900.77-47,925.04

Finding the Fourth Proportional to 86,170.51, 118,900.77 and 47,925.04

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Solution

The fourth proportional to 86,170.51, 118,900.77 and 47,925.04 is: 66,128.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,170.51 : 118,900.77 = 47,925.04 : x
  2. Step 2: Convert to fraction form
    86,170.51/118,900.77 = 47,925.04/x
  3. Step 3: Cross multiply
    86,170.51x = 118,900.77 × 47,925.04
  4. Step 4: Simplify right side
    86,170.51x = 5,698,324,158.28
  5. Step 5: Solve for x
    x = 5,698,324,158.28/86,170.51
  6. Step 6: Final answer
    x = 66,128.47

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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.