Home / 92,890.52-128,196.90-52,611.38

Finding the Fourth Proportional to 92,890.52, 128,196.90 and 52,611.38

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Solution

The fourth proportional to 92,890.52, 128,196.90 and 52,611.38 is: 72,608.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,890.52 : 128,196.90 = 52,611.38 : x
  2. Step 2: Convert to fraction form
    92,890.52/128,196.90 = 52,611.38/x
  3. Step 3: Cross multiply
    92,890.52x = 128,196.90 × 52,611.38
  4. Step 4: Simplify right side
    92,890.52x = 6,744,615,820.72
  5. Step 5: Solve for x
    x = 6,744,615,820.72/92,890.52
  6. Step 6: Final answer
    x = 72,608.23

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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.