Home / 113,693.99-170,659.28-83,742.05

Finding the Fourth Proportional to 113,693.99, 170,659.28 and 83,742.05

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Solution

The fourth proportional to 113,693.99, 170,659.28 and 83,742.05 is: 125,700.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,693.99 : 170,659.28 = 83,742.05 : x
  2. Step 2: Convert to fraction form
    113,693.99/170,659.28 = 83,742.05/x
  3. Step 3: Cross multiply
    113,693.99x = 170,659.28 × 83,742.05
  4. Step 4: Simplify right side
    113,693.99x = 14,291,356,686.72
  5. Step 5: Solve for x
    x = 14,291,356,686.72/113,693.99
  6. Step 6: Final answer
    x = 125,700.20

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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.