Home / 59,899.77-89,840.13-19,915.43

Finding the Fourth Proportional to 59,899.77, 89,840.13 and 19,915.43

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Solution

The fourth proportional to 59,899.77, 89,840.13 and 19,915.43 is: 29,869.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,899.77 : 89,840.13 = 19,915.43 : x
  2. Step 2: Convert to fraction form
    59,899.77/89,840.13 = 19,915.43/x
  3. Step 3: Cross multiply
    59,899.77x = 89,840.13 × 19,915.43
  4. Step 4: Simplify right side
    59,899.77x = 1,789,204,801.26
  5. Step 5: Solve for x
    x = 1,789,204,801.26/59,899.77
  6. Step 6: Final answer
    x = 29,869.98

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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.