Home / 56,367.28-77,609.81-47,851.75

Finding the Fourth Proportional to 56,367.28, 77,609.81 and 47,851.75

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Solution

The fourth proportional to 56,367.28, 77,609.81 and 47,851.75 is: 65,885.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,367.28 : 77,609.81 = 47,851.75 : x
  2. Step 2: Convert to fraction form
    56,367.28/77,609.81 = 47,851.75/x
  3. Step 3: Cross multiply
    56,367.28x = 77,609.81 × 47,851.75
  4. Step 4: Simplify right side
    56,367.28x = 3,713,765,225.67
  5. Step 5: Solve for x
    x = 3,713,765,225.67/56,367.28
  6. Step 6: Final answer
    x = 65,885.12

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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.