Home / 63,143.90-87,153.54-36,302.00

Finding the Fourth Proportional to 63,143.90, 87,153.54 and 36,302.00

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Solution

The fourth proportional to 63,143.90, 87,153.54 and 36,302.00 is: 50,105.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,143.90 : 87,153.54 = 36,302.00 : x
  2. Step 2: Convert to fraction form
    63,143.90/87,153.54 = 36,302.00/x
  3. Step 3: Cross multiply
    63,143.90x = 87,153.54 × 36,302.00
  4. Step 4: Simplify right side
    63,143.90x = 3,163,848,026.96
  5. Step 5: Solve for x
    x = 3,163,848,026.96/63,143.90
  6. Step 6: Final answer
    x = 50,105.36

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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.