Home / 58,634.15-80,915.36-31,776.57

Finding the Fourth Proportional to 58,634.15, 80,915.36 and 31,776.57

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Solution

The fourth proportional to 58,634.15, 80,915.36 and 31,776.57 is: 43,851.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,634.15 : 80,915.36 = 31,776.57 : x
  2. Step 2: Convert to fraction form
    58,634.15/80,915.36 = 31,776.57/x
  3. Step 3: Cross multiply
    58,634.15x = 80,915.36 × 31,776.57
  4. Step 4: Simplify right side
    58,634.15x = 2,571,212,442.23
  5. Step 5: Solve for x
    x = 2,571,212,442.23/58,634.15
  6. Step 6: Final answer
    x = 43,851.79

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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.