Home / 42,850.90-64,300.66-16,557.50

Finding the Fourth Proportional to 42,850.90, 64,300.66 and 16,557.50

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Solution

The fourth proportional to 42,850.90, 64,300.66 and 16,557.50 is: 24,845.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,850.90 : 64,300.66 = 16,557.50 : x
  2. Step 2: Convert to fraction form
    42,850.90/64,300.66 = 16,557.50/x
  3. Step 3: Cross multiply
    42,850.90x = 64,300.66 × 16,557.50
  4. Step 4: Simplify right side
    42,850.90x = 1,064,658,177.95
  5. Step 5: Solve for x
    x = 1,064,658,177.95/42,850.90
  6. Step 6: Final answer
    x = 24,845.64

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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.