Home / 84,916.25-127,374.37-38,114.45

Finding the Fourth Proportional to 84,916.25, 127,374.37 and 38,114.45

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Solution

The fourth proportional to 84,916.25, 127,374.37 and 38,114.45 is: 57,171.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,916.25 : 127,374.37 = 38,114.45 : x
  2. Step 2: Convert to fraction form
    84,916.25/127,374.37 = 38,114.45/x
  3. Step 3: Cross multiply
    84,916.25x = 127,374.37 × 38,114.45
  4. Step 4: Simplify right side
    84,916.25x = 4,854,803,229.20
  5. Step 5: Solve for x
    x = 4,854,803,229.20/84,916.25
  6. Step 6: Final answer
    x = 57,171.67

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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.