Home / 56,684.89-78,225.57-31,534.39

Finding the Fourth Proportional to 56,684.89, 78,225.57 and 31,534.39

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Solution

The fourth proportional to 56,684.89, 78,225.57 and 31,534.39 is: 43,517.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,684.89 : 78,225.57 = 31,534.39 : x
  2. Step 2: Convert to fraction form
    56,684.89/78,225.57 = 31,534.39/x
  3. Step 3: Cross multiply
    56,684.89x = 78,225.57 × 31,534.39
  4. Step 4: Simplify right side
    56,684.89x = 2,466,795,632.35
  5. Step 5: Solve for x
    x = 2,466,795,632.35/56,684.89
  6. Step 6: Final answer
    x = 43,517.69

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1.5x scale

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.