Home / 53,104.65-73,275.85-30,439.47

Finding the Fourth Proportional to 53,104.65, 73,275.85 and 30,439.47

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Solution

The fourth proportional to 53,104.65, 73,275.85 and 30,439.47 is: 42,001.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,104.65 : 73,275.85 = 30,439.47 : x
  2. Step 2: Convert to fraction form
    53,104.65/73,275.85 = 30,439.47/x
  3. Step 3: Cross multiply
    53,104.65x = 73,275.85 × 30,439.47
  4. Step 4: Simplify right side
    53,104.65x = 2,230,477,885.60
  5. Step 5: Solve for x
    x = 2,230,477,885.60/53,104.65
  6. Step 6: Final answer
    x = 42,001.56

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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.