Home / 88,214.07-121,708.60-49,967.55

Finding the Fourth Proportional to 88,214.07, 121,708.60 and 49,967.55

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Solution

The fourth proportional to 88,214.07, 121,708.60 and 49,967.55 is: 68,940.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,214.07 : 121,708.60 = 49,967.55 : x
  2. Step 2: Convert to fraction form
    88,214.07/121,708.60 = 49,967.55/x
  3. Step 3: Cross multiply
    88,214.07x = 121,708.60 × 49,967.55
  4. Step 4: Simplify right side
    88,214.07x = 6,081,480,555.93
  5. Step 5: Solve for x
    x = 6,081,480,555.93/88,214.07
  6. Step 6: Final answer
    x = 68,940.03

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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.