Home / 84,636.44-127,030.80-45,227.24

Finding the Fourth Proportional to 84,636.44, 127,030.80 and 45,227.24

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Solution

The fourth proportional to 84,636.44, 127,030.80 and 45,227.24 is: 67,881.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,636.44 : 127,030.80 = 45,227.24 : x
  2. Step 2: Convert to fraction form
    84,636.44/127,030.80 = 45,227.24/x
  3. Step 3: Cross multiply
    84,636.44x = 127,030.80 × 45,227.24
  4. Step 4: Simplify right side
    84,636.44x = 5,745,252,478.99
  5. Step 5: Solve for x
    x = 5,745,252,478.99/84,636.44
  6. Step 6: Final answer
    x = 67,881.55

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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.