Home / 113,820.32-157,080.74-62,842.84

Finding the Fourth Proportional to 113,820.32, 157,080.74 and 62,842.84

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Solution

The fourth proportional to 113,820.32, 157,080.74 and 62,842.84 is: 86,727.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,820.32 : 157,080.74 = 62,842.84 : x
  2. Step 2: Convert to fraction form
    113,820.32/157,080.74 = 62,842.84/x
  3. Step 3: Cross multiply
    113,820.32x = 157,080.74 × 62,842.84
  4. Step 4: Simplify right side
    113,820.32x = 9,871,399,103.99
  5. Step 5: Solve for x
    x = 9,871,399,103.99/113,820.32
  6. Step 6: Final answer
    x = 86,727.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.