Home / 56,515.80-77,908.53-43,063.71

Finding the Fourth Proportional to 56,515.80, 77,908.53 and 43,063.71

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Solution

The fourth proportional to 56,515.80, 77,908.53 and 43,063.71 is: 59,364.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,515.80 : 77,908.53 = 43,063.71 : x
  2. Step 2: Convert to fraction form
    56,515.80/77,908.53 = 43,063.71/x
  3. Step 3: Cross multiply
    56,515.80x = 77,908.53 × 43,063.71
  4. Step 4: Simplify right side
    56,515.80x = 3,355,030,342.45
  5. Step 5: Solve for x
    x = 3,355,030,342.45/56,515.80
  6. Step 6: Final answer
    x = 59,364.47

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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.