Home / 88,364.08-121,946.70-50,638.42

Finding the Fourth Proportional to 88,364.08, 121,946.70 and 50,638.42

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Solution

The fourth proportional to 88,364.08, 121,946.70 and 50,638.42 is: 69,883.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,364.08 : 121,946.70 = 50,638.42 : x
  2. Step 2: Convert to fraction form
    88,364.08/121,946.70 = 50,638.42/x
  3. Step 3: Cross multiply
    88,364.08x = 121,946.70 × 50,638.42
  4. Step 4: Simplify right side
    88,364.08x = 6,175,188,212.21
  5. Step 5: Solve for x
    x = 6,175,188,212.21/88,364.08
  6. Step 6: Final answer
    x = 69,883.47

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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.