Home / 84,976.98-127,437.53-28,802.67

Finding the Fourth Proportional to 84,976.98, 127,437.53 and 28,802.67

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Solution

The fourth proportional to 84,976.98, 127,437.53 and 28,802.67 is: 43,194.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,976.98 : 127,437.53 = 28,802.67 : x
  2. Step 2: Convert to fraction form
    84,976.98/127,437.53 = 28,802.67/x
  3. Step 3: Cross multiply
    84,976.98x = 127,437.53 × 28,802.67
  4. Step 4: Simplify right side
    84,976.98x = 3,670,540,978.19
  5. Step 5: Solve for x
    x = 3,670,540,978.19/84,976.98
  6. Step 6: Final answer
    x = 43,194.53

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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.