Home / 90,929.97-125,483.40-50,651.46

Finding the Fourth Proportional to 90,929.97, 125,483.40 and 50,651.46

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Solution

The fourth proportional to 90,929.97, 125,483.40 and 50,651.46 is: 69,899.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,929.97 : 125,483.40 = 50,651.46 : x
  2. Step 2: Convert to fraction form
    90,929.97/125,483.40 = 50,651.46/x
  3. Step 3: Cross multiply
    90,929.97x = 125,483.40 × 50,651.46
  4. Step 4: Simplify right side
    90,929.97x = 6,355,917,415.76
  5. Step 5: Solve for x
    x = 6,355,917,415.76/90,929.97
  6. Step 6: Final answer
    x = 69,899.04

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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.