Home / 85,076.19-127,633.32-25,916.49

Finding the Fourth Proportional to 85,076.19, 127,633.32 and 25,916.49

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Solution

The fourth proportional to 85,076.19, 127,633.32 and 25,916.49 is: 38,880.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,076.19 : 127,633.32 = 25,916.49 : x
  2. Step 2: Convert to fraction form
    85,076.19/127,633.32 = 25,916.49/x
  3. Step 3: Cross multiply
    85,076.19x = 127,633.32 × 25,916.49
  4. Step 4: Simplify right side
    85,076.19x = 3,307,807,661.45
  5. Step 5: Solve for x
    x = 3,307,807,661.45/85,076.19
  6. Step 6: Final answer
    x = 38,880.53

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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.