Home / 55,915.47-83,873.21-38,331.99

Finding the Fourth Proportional to 55,915.47, 83,873.21 and 38,331.99

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Solution

The fourth proportional to 55,915.47, 83,873.21 and 38,331.99 is: 57,497.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,915.47 : 83,873.21 = 38,331.99 : x
  2. Step 2: Convert to fraction form
    55,915.47/83,873.21 = 38,331.99/x
  3. Step 3: Cross multiply
    55,915.47x = 83,873.21 × 38,331.99
  4. Step 4: Simplify right side
    55,915.47x = 3,215,026,855.33
  5. Step 5: Solve for x
    x = 3,215,026,855.33/55,915.47
  6. Step 6: Final answer
    x = 57,497.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.