Home / 56,126.86-77,452.63-30,632.58

Finding the Fourth Proportional to 56,126.86, 77,452.63 and 30,632.58

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Solution

The fourth proportional to 56,126.86, 77,452.63 and 30,632.58 is: 42,271.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,126.86 : 77,452.63 = 30,632.58 : x
  2. Step 2: Convert to fraction form
    56,126.86/77,452.63 = 30,632.58/x
  3. Step 3: Cross multiply
    56,126.86x = 77,452.63 × 30,632.58
  4. Step 4: Simplify right side
    56,126.86x = 2,372,573,884.69
  5. Step 5: Solve for x
    x = 2,372,573,884.69/56,126.86
  6. Step 6: Final answer
    x = 42,271.63

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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.