Home / 56,321.55-77,756.09-42,060.02

Finding the Fourth Proportional to 56,321.55, 77,756.09 and 42,060.02

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Solution

The fourth proportional to 56,321.55, 77,756.09 and 42,060.02 is: 58,066.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,321.55 : 77,756.09 = 42,060.02 : x
  2. Step 2: Convert to fraction form
    56,321.55/77,756.09 = 42,060.02/x
  3. Step 3: Cross multiply
    56,321.55x = 77,756.09 × 42,060.02
  4. Step 4: Simplify right side
    56,321.55x = 3,270,422,101.44
  5. Step 5: Solve for x
    x = 3,270,422,101.44/56,321.55
  6. Step 6: Final answer
    x = 58,066.98

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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.