Home / 101,316.22-139,833.74-58,899.35

Finding the Fourth Proportional to 101,316.22, 139,833.74 and 58,899.35

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Solution

The fourth proportional to 101,316.22, 139,833.74 and 58,899.35 is: 81,291.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,316.22 : 139,833.74 = 58,899.35 : x
  2. Step 2: Convert to fraction form
    101,316.22/139,833.74 = 58,899.35/x
  3. Step 3: Cross multiply
    101,316.22x = 139,833.74 × 58,899.35
  4. Step 4: Simplify right side
    101,316.22x = 8,236,116,890.90
  5. Step 5: Solve for x
    x = 8,236,116,890.90/101,316.22
  6. Step 6: Final answer
    x = 81,291.20

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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.