Home / 113,820.22-157,080.60-62,842.78

Finding the Fourth Proportional to 113,820.22, 157,080.60 and 62,842.78

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Solution

The fourth proportional to 113,820.22, 157,080.60 and 62,842.78 is: 86,727.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,820.22 : 157,080.60 = 62,842.78 : x
  2. Step 2: Convert to fraction form
    113,820.22/157,080.60 = 62,842.78/x
  3. Step 3: Cross multiply
    113,820.22x = 157,080.60 × 62,842.78
  4. Step 4: Simplify right side
    113,820.22x = 9,871,381,588.07
  5. Step 5: Solve for x
    x = 9,871,381,588.07/113,820.22
  6. Step 6: Final answer
    x = 86,727.84

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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.