Home / 69,070.10-103,432.35-55,246.10

Finding the Fourth Proportional to 69,070.10, 103,432.35 and 55,246.10

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Solution

The fourth proportional to 69,070.10, 103,432.35 and 55,246.10 is: 82,730.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,070.10 : 103,432.35 = 55,246.10 : x
  2. Step 2: Convert to fraction form
    69,070.10/103,432.35 = 55,246.10/x
  3. Step 3: Cross multiply
    69,070.10x = 103,432.35 × 55,246.10
  4. Step 4: Simplify right side
    69,070.10x = 5,714,233,951.34
  5. Step 5: Solve for x
    x = 5,714,233,951.34/69,070.10
  6. Step 6: Final answer
    x = 82,730.93

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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.