Home / 98,501.43-135,898.25-56,049.33

Finding the Fourth Proportional to 98,501.43, 135,898.25 and 56,049.33

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Solution

The fourth proportional to 98,501.43, 135,898.25 and 56,049.33 is: 77,328.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,501.43 : 135,898.25 = 56,049.33 : x
  2. Step 2: Convert to fraction form
    98,501.43/135,898.25 = 56,049.33/x
  3. Step 3: Cross multiply
    98,501.43x = 135,898.25 × 56,049.33
  4. Step 4: Simplify right side
    98,501.43x = 7,617,005,580.43
  5. Step 5: Solve for x
    x = 7,617,005,580.43/98,501.43
  6. Step 6: Final answer
    x = 77,328.88

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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.