Home / 121,639.23-182,476.31-37,406.48

Finding the Fourth Proportional to 121,639.23, 182,476.31 and 37,406.48

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Solution

The fourth proportional to 121,639.23, 182,476.31 and 37,406.48 is: 56,115.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,639.23 : 182,476.31 = 37,406.48 : x
  2. Step 2: Convert to fraction form
    121,639.23/182,476.31 = 37,406.48/x
  3. Step 3: Cross multiply
    121,639.23x = 182,476.31 × 37,406.48
  4. Step 4: Simplify right side
    121,639.23x = 6,825,795,341.07
  5. Step 5: Solve for x
    x = 6,825,795,341.07/121,639.23
  6. Step 6: Final answer
    x = 56,115.08

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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.