Home / 56,061.81-77,370.77-41,890.05

Finding the Fourth Proportional to 56,061.81, 77,370.77 and 41,890.05

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Solution

The fourth proportional to 56,061.81, 77,370.77 and 41,890.05 is: 57,812.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,061.81 : 77,370.77 = 41,890.05 : x
  2. Step 2: Convert to fraction form
    56,061.81/77,370.77 = 41,890.05/x
  3. Step 3: Cross multiply
    56,061.81x = 77,370.77 × 41,890.05
  4. Step 4: Simplify right side
    56,061.81x = 3,241,065,423.84
  5. Step 5: Solve for x
    x = 3,241,065,423.84/56,061.81
  6. Step 6: Final answer
    x = 57,812.36

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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.