Home / 63,170.28-87,172.74-34,875.90

Finding the Fourth Proportional to 63,170.28, 87,172.74 and 34,875.90

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Solution

The fourth proportional to 63,170.28, 87,172.74 and 34,875.90 is: 48,127.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,170.28 : 87,172.74 = 34,875.90 : x
  2. Step 2: Convert to fraction form
    63,170.28/87,172.74 = 34,875.90/x
  3. Step 3: Cross multiply
    63,170.28x = 87,172.74 × 34,875.90
  4. Step 4: Simplify right side
    63,170.28x = 3,040,227,762.97
  5. Step 5: Solve for x
    x = 3,040,227,762.97/63,170.28
  6. Step 6: Final answer
    x = 48,127.50

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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.