Home / 92,946.42-128,277-55,220.70

Finding the Fourth Proportional to 92,946.42, 128,277 and 55,220.70

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Solution

The fourth proportional to 92,946.42, 128,277 and 55,220.70 is: 76,211.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,946.42 : 128,277 = 55,220.70 : x
  2. Step 2: Convert to fraction form
    92,946.42/128,277 = 55,220.70/x
  3. Step 3: Cross multiply
    92,946.42x = 128,277 × 55,220.70
  4. Step 4: Simplify right side
    92,946.42x = 7,083,545,733.90
  5. Step 5: Solve for x
    x = 7,083,545,733.90/92,946.42
  6. Step 6: Final answer
    x = 76,211.07

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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.