Home / 57,085.93-78,817.34-35,584.28

Finding the Fourth Proportional to 57,085.93, 78,817.34 and 35,584.28

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Solution

The fourth proportional to 57,085.93, 78,817.34 and 35,584.28 is: 49,130.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,085.93 : 78,817.34 = 35,584.28 : x
  2. Step 2: Convert to fraction form
    57,085.93/78,817.34 = 35,584.28/x
  3. Step 3: Cross multiply
    57,085.93x = 78,817.34 × 35,584.28
  4. Step 4: Simplify right side
    57,085.93x = 2,804,658,295.42
  5. Step 5: Solve for x
    x = 2,804,658,295.42/57,085.93
  6. Step 6: Final answer
    x = 49,130.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.