Home / 77,826.11-107,405.26-43,376.20

Finding the Fourth Proportional to 77,826.11, 107,405.26 and 43,376.20

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Solution

The fourth proportional to 77,826.11, 107,405.26 and 43,376.20 is: 59,862.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,826.11 : 107,405.26 = 43,376.20 : x
  2. Step 2: Convert to fraction form
    77,826.11/107,405.26 = 43,376.20/x
  3. Step 3: Cross multiply
    77,826.11x = 107,405.26 × 43,376.20
  4. Step 4: Simplify right side
    77,826.11x = 4,658,831,284.90
  5. Step 5: Solve for x
    x = 4,658,831,284.90/77,826.11
  6. Step 6: Final answer
    x = 59,862.06

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1.5x scale

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.