Home / 76,227.23-105,230.15-53,585.63

Finding the Fourth Proportional to 76,227.23, 105,230.15 and 53,585.63

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Solution

The fourth proportional to 76,227.23, 105,230.15 and 53,585.63 is: 73,973.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,227.23 : 105,230.15 = 53,585.63 : x
  2. Step 2: Convert to fraction form
    76,227.23/105,230.15 = 53,585.63/x
  3. Step 3: Cross multiply
    76,227.23x = 105,230.15 × 53,585.63
  4. Step 4: Simplify right side
    76,227.23x = 5,638,823,882.74
  5. Step 5: Solve for x
    x = 5,638,823,882.74/76,227.23
  6. Step 6: Final answer
    x = 73,973.88

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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.