Home / 85,085.14-127,622.53-37,686.31

Finding the Fourth Proportional to 85,085.14, 127,622.53 and 37,686.31

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Solution

The fourth proportional to 85,085.14, 127,622.53 and 37,686.31 is: 56,527.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,085.14 : 127,622.53 = 37,686.31 : x
  2. Step 2: Convert to fraction form
    85,085.14/127,622.53 = 37,686.31/x
  3. Step 3: Cross multiply
    85,085.14x = 127,622.53 × 37,686.31
  4. Step 4: Simplify right side
    85,085.14x = 4,809,622,228.56
  5. Step 5: Solve for x
    x = 4,809,622,228.56/85,085.14
  6. Step 6: Final answer
    x = 56,527.17

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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.