Home / 84,852.48-127,279.03-28,693.06

Finding the Fourth Proportional to 84,852.48, 127,279.03 and 28,693.06

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Solution

The fourth proportional to 84,852.48, 127,279.03 and 28,693.06 is: 43,039.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,852.48 : 127,279.03 = 28,693.06 : x
  2. Step 2: Convert to fraction form
    84,852.48/127,279.03 = 28,693.06/x
  3. Step 3: Cross multiply
    84,852.48x = 127,279.03 × 28,693.06
  4. Step 4: Simplify right side
    84,852.48x = 3,652,024,844.53
  5. Step 5: Solve for x
    x = 3,652,024,844.53/84,852.48
  6. Step 6: Final answer
    x = 43,039.69

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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.