Home / 104,984.56-157,542.45-42,655.06

Finding the Fourth Proportional to 104,984.56, 157,542.45 and 42,655.06

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Solution

The fourth proportional to 104,984.56, 157,542.45 and 42,655.06 is: 64,009.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,984.56 : 157,542.45 = 42,655.06 : x
  2. Step 2: Convert to fraction form
    104,984.56/157,542.45 = 42,655.06/x
  3. Step 3: Cross multiply
    104,984.56x = 157,542.45 × 42,655.06
  4. Step 4: Simplify right side
    104,984.56x = 6,719,982,657.30
  5. Step 5: Solve for x
    x = 6,719,982,657.30/104,984.56
  6. Step 6: Final answer
    x = 64,009.25

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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.