Home / 56,701.18-84,954.57-40,031.38

Finding the Fourth Proportional to 56,701.18, 84,954.57 and 40,031.38

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Solution

The fourth proportional to 56,701.18, 84,954.57 and 40,031.38 is: 59,978.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,701.18 : 84,954.57 = 40,031.38 : x
  2. Step 2: Convert to fraction form
    56,701.18/84,954.57 = 40,031.38/x
  3. Step 3: Cross multiply
    56,701.18x = 84,954.57 × 40,031.38
  4. Step 4: Simplify right side
    56,701.18x = 3,400,848,674.41
  5. Step 5: Solve for x
    x = 3,400,848,674.41/56,701.18
  6. Step 6: Final answer
    x = 59,978.45

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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.