Home / 90,917.56-125,628.93-70,826.32

Finding the Fourth Proportional to 90,917.56, 125,628.93 and 70,826.32

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Solution

The fourth proportional to 90,917.56, 125,628.93 and 70,826.32 is: 97,867.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,917.56 : 125,628.93 = 70,826.32 : x
  2. Step 2: Convert to fraction form
    90,917.56/125,628.93 = 70,826.32/x
  3. Step 3: Cross multiply
    90,917.56x = 125,628.93 × 70,826.32
  4. Step 4: Simplify right side
    90,917.56x = 8,897,834,797.44
  5. Step 5: Solve for x
    x = 8,897,834,797.44/90,917.56
  6. Step 6: Final answer
    x = 97,867.07

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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.