Home / 85,085.48-127,628.28-35,110.68

Finding the Fourth Proportional to 85,085.48, 127,628.28 and 35,110.68

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Solution

The fourth proportional to 85,085.48, 127,628.28 and 35,110.68 is: 52,666.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,085.48 : 127,628.28 = 35,110.68 : x
  2. Step 2: Convert to fraction form
    85,085.48/127,628.28 = 35,110.68/x
  3. Step 3: Cross multiply
    85,085.48x = 127,628.28 × 35,110.68
  4. Step 4: Simplify right side
    85,085.48x = 4,481,115,698.03
  5. Step 5: Solve for x
    x = 4,481,115,698.03/85,085.48
  6. Step 6: Final answer
    x = 52,666.05

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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.