Home / 44,145.90-66,121.65-38,313.90

Finding the Fourth Proportional to 44,145.90, 66,121.65 and 38,313.90

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Solution

The fourth proportional to 44,145.90, 66,121.65 and 38,313.90 is: 57,386.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,145.90 : 66,121.65 = 38,313.90 : x
  2. Step 2: Convert to fraction form
    44,145.90/66,121.65 = 38,313.90/x
  3. Step 3: Cross multiply
    44,145.90x = 66,121.65 × 38,313.90
  4. Step 4: Simplify right side
    44,145.90x = 2,533,378,285.94
  5. Step 5: Solve for x
    x = 2,533,378,285.94/44,145.90
  6. Step 6: Final answer
    x = 57,386.49

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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.