Home / 58,915.44-81,125.28-50,779.80

Finding the Fourth Proportional to 58,915.44, 81,125.28 and 50,779.80

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Solution

The fourth proportional to 58,915.44, 81,125.28 and 50,779.80 is: 69,922.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,915.44 : 81,125.28 = 50,779.80 : x
  2. Step 2: Convert to fraction form
    58,915.44/81,125.28 = 50,779.80/x
  3. Step 3: Cross multiply
    58,915.44x = 81,125.28 × 50,779.80
  4. Step 4: Simplify right side
    58,915.44x = 4,119,525,493.34
  5. Step 5: Solve for x
    x = 4,119,525,493.34/58,915.44
  6. Step 6: Final answer
    x = 69,922.68

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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.