Home / 90,048.34-124,276.33-51,809.56

Finding the Fourth Proportional to 90,048.34, 124,276.33 and 51,809.56

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Solution

The fourth proportional to 90,048.34, 124,276.33 and 51,809.56 is: 71,502.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,048.34 : 124,276.33 = 51,809.56 : x
  2. Step 2: Convert to fraction form
    90,048.34/124,276.33 = 51,809.56/x
  3. Step 3: Cross multiply
    90,048.34x = 124,276.33 × 51,809.56
  4. Step 4: Simplify right side
    90,048.34x = 6,438,701,975.71
  5. Step 5: Solve for x
    x = 6,438,701,975.71/90,048.34
  6. Step 6: Final answer
    x = 71,502.73

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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.