Home / 104,904.90-157,422.96-42,575.40

Finding the Fourth Proportional to 104,904.90, 157,422.96 and 42,575.40

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Solution

The fourth proportional to 104,904.90, 157,422.96 and 42,575.40 is: 63,889.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,904.90 : 157,422.96 = 42,575.40 : x
  2. Step 2: Convert to fraction form
    104,904.90/157,422.96 = 42,575.40/x
  3. Step 3: Cross multiply
    104,904.90x = 157,422.96 × 42,575.40
  4. Step 4: Simplify right side
    104,904.90x = 6,702,345,491.18
  5. Step 5: Solve for x
    x = 6,702,345,491.18/104,904.90
  6. Step 6: Final answer
    x = 63,889.73

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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.