Home / 85,337.76-128,001.82-26,173.26

Finding the Fourth Proportional to 85,337.76, 128,001.82 and 26,173.26

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Solution

The fourth proportional to 85,337.76, 128,001.82 and 26,173.26 is: 39,258.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,337.76 : 128,001.82 = 26,173.26 : x
  2. Step 2: Convert to fraction form
    85,337.76/128,001.82 = 26,173.26/x
  3. Step 3: Cross multiply
    85,337.76x = 128,001.82 × 26,173.26
  4. Step 4: Simplify right side
    85,337.76x = 3,350,224,915.33
  5. Step 5: Solve for x
    x = 3,350,224,915.33/85,337.76
  6. Step 6: Final answer
    x = 39,258.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.