Home / 84,795.26-127,211.33-28,632.98

Finding the Fourth Proportional to 84,795.26, 127,211.33 and 28,632.98

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Solution

The fourth proportional to 84,795.26, 127,211.33 and 28,632.98 is: 42,955.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,795.26 : 127,211.33 = 28,632.98 : x
  2. Step 2: Convert to fraction form
    84,795.26/127,211.33 = 28,632.98/x
  3. Step 3: Cross multiply
    84,795.26x = 127,211.33 × 28,632.98
  4. Step 4: Simplify right side
    84,795.26x = 3,642,438,688.44
  5. Step 5: Solve for x
    x = 3,642,438,688.44/84,795.26
  6. Step 6: Final answer
    x = 42,955.69

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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.