Home / 86,276.40-119,126.30-84,898.60

Finding the Fourth Proportional to 86,276.40, 119,126.30 and 84,898.60

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Solution

The fourth proportional to 86,276.40, 119,126.30 and 84,898.60 is: 117,223.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,276.40 : 119,126.30 = 84,898.60 : x
  2. Step 2: Convert to fraction form
    86,276.40/119,126.30 = 84,898.60/x
  3. Step 3: Cross multiply
    86,276.40x = 119,126.30 × 84,898.60
  4. Step 4: Simplify right side
    86,276.40x = 10,113,656,093.18
  5. Step 5: Solve for x
    x = 10,113,656,093.18/86,276.40
  6. Step 6: Final answer
    x = 117,223.90

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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.