Home / 90,162.63-124,433.73-51,923.43

Finding the Fourth Proportional to 90,162.63, 124,433.73 and 51,923.43

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Solution

The fourth proportional to 90,162.63, 124,433.73 and 51,923.43 is: 71,659.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,162.63 : 124,433.73 = 51,923.43 : x
  2. Step 2: Convert to fraction form
    90,162.63/124,433.73 = 51,923.43/x
  3. Step 3: Cross multiply
    90,162.63x = 124,433.73 × 51,923.43
  4. Step 4: Simplify right side
    90,162.63x = 6,461,026,069.29
  5. Step 5: Solve for x
    x = 6,461,026,069.29/90,162.63
  6. Step 6: Final answer
    x = 71,659.69

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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.