Home / 127,635.51-191,474.07-37,687.32

Finding the Fourth Proportional to 127,635.51, 191,474.07 and 37,687.32

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Solution

The fourth proportional to 127,635.51, 191,474.07 and 37,687.32 is: 56,537.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,635.51 : 191,474.07 = 37,687.32 : x
  2. Step 2: Convert to fraction form
    127,635.51/191,474.07 = 37,687.32/x
  3. Step 3: Cross multiply
    127,635.51x = 191,474.07 × 37,687.32
  4. Step 4: Simplify right side
    127,635.51x = 7,216,144,547.79
  5. Step 5: Solve for x
    x = 7,216,144,547.79/127,635.51
  6. Step 6: Final answer
    x = 56,537.12

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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.