Home / 90,746.28-125,229.98-50,459.60

Finding the Fourth Proportional to 90,746.28, 125,229.98 and 50,459.60

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Solution

The fourth proportional to 90,746.28, 125,229.98 and 50,459.60 is: 69,634.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,746.28 : 125,229.98 = 50,459.60 : x
  2. Step 2: Convert to fraction form
    90,746.28/125,229.98 = 50,459.60/x
  3. Step 3: Cross multiply
    90,746.28x = 125,229.98 × 50,459.60
  4. Step 4: Simplify right side
    90,746.28x = 6,319,054,698.81
  5. Step 5: Solve for x
    x = 6,319,054,698.81/90,746.28
  6. Step 6: Final answer
    x = 69,634.31

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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.