Home / 70,873.12-106,272.78-26,463.36

Finding the Fourth Proportional to 70,873.12, 106,272.78 and 26,463.36

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Solution

The fourth proportional to 70,873.12, 106,272.78 and 26,463.36 is: 39,681.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,873.12 : 106,272.78 = 26,463.36 : x
  2. Step 2: Convert to fraction form
    70,873.12/106,272.78 = 26,463.36/x
  3. Step 3: Cross multiply
    70,873.12x = 106,272.78 × 26,463.36
  4. Step 4: Simplify right side
    70,873.12x = 2,812,334,835.34
  5. Step 5: Solve for x
    x = 2,812,334,835.34/70,873.12
  6. Step 6: Final answer
    x = 39,681.26

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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.