Home / 68,271.90-102,407.76-23,888.40

Finding the Fourth Proportional to 68,271.90, 102,407.76 and 23,888.40

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Solution

The fourth proportional to 68,271.90, 102,407.76 and 23,888.40 is: 35,832.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,271.90 : 102,407.76 = 23,888.40 : x
  2. Step 2: Convert to fraction form
    68,271.90/102,407.76 = 23,888.40/x
  3. Step 3: Cross multiply
    68,271.90x = 102,407.76 × 23,888.40
  4. Step 4: Simplify right side
    68,271.90x = 2,446,357,533.98
  5. Step 5: Solve for x
    x = 2,446,357,533.98/68,271.90
  6. Step 6: Final answer
    x = 35,832.57

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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.