Home / 84,927.72-127,389.42-40,585.80

Finding the Fourth Proportional to 84,927.72, 127,389.42 and 40,585.80

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Solution

The fourth proportional to 84,927.72, 127,389.42 and 40,585.80 is: 60,877.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,927.72 : 127,389.42 = 40,585.80 : x
  2. Step 2: Convert to fraction form
    84,927.72/127,389.42 = 40,585.80/x
  3. Step 3: Cross multiply
    84,927.72x = 127,389.42 × 40,585.80
  4. Step 4: Simplify right side
    84,927.72x = 5,170,201,522.24
  5. Step 5: Solve for x
    x = 5,170,201,522.24/84,927.72
  6. Step 6: Final answer
    x = 60,877.67

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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.