Home / 45,661.68-63,030.70-40,873.18

Finding the Fourth Proportional to 45,661.68, 63,030.70 and 40,873.18

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Solution

The fourth proportional to 45,661.68, 63,030.70 and 40,873.18 is: 56,420.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,661.68 : 63,030.70 = 40,873.18 : x
  2. Step 2: Convert to fraction form
    45,661.68/63,030.70 = 40,873.18/x
  3. Step 3: Cross multiply
    45,661.68x = 63,030.70 × 40,873.18
  4. Step 4: Simplify right side
    45,661.68x = 2,576,265,146.63
  5. Step 5: Solve for x
    x = 2,576,265,146.63/45,661.68
  6. Step 6: Final answer
    x = 56,420.73

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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.