Home / 114,027.51-171,061.80-39,128.31

Finding the Fourth Proportional to 114,027.51, 171,061.80 and 39,128.31

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Solution

The fourth proportional to 114,027.51, 171,061.80 and 39,128.31 is: 58,699.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,027.51 : 171,061.80 = 39,128.31 : x
  2. Step 2: Convert to fraction form
    114,027.51/171,061.80 = 39,128.31/x
  3. Step 3: Cross multiply
    114,027.51x = 171,061.80 × 39,128.31
  4. Step 4: Simplify right side
    114,027.51x = 6,693,359,139.56
  5. Step 5: Solve for x
    x = 6,693,359,139.56/114,027.51
  6. Step 6: Final answer
    x = 58,699.51

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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.