Home / 56,913.96-78,534.02-31,764.52

Finding the Fourth Proportional to 56,913.96, 78,534.02 and 31,764.52

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Solution

The fourth proportional to 56,913.96, 78,534.02 and 31,764.52 is: 43,830.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,913.96 : 78,534.02 = 31,764.52 : x
  2. Step 2: Convert to fraction form
    56,913.96/78,534.02 = 31,764.52/x
  3. Step 3: Cross multiply
    56,913.96x = 78,534.02 × 31,764.52
  4. Step 4: Simplify right side
    56,913.96x = 2,494,595,448.97
  5. Step 5: Solve for x
    x = 2,494,595,448.97/56,913.96
  6. Step 6: Final answer
    x = 43,830.99

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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.