Home / 98,127.24-135,433.27-57,838.65

Finding the Fourth Proportional to 98,127.24, 135,433.27 and 57,838.65

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Solution

The fourth proportional to 98,127.24, 135,433.27 and 57,838.65 is: 79,827.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,127.24 : 135,433.27 = 57,838.65 : x
  2. Step 2: Convert to fraction form
    98,127.24/135,433.27 = 57,838.65/x
  3. Step 3: Cross multiply
    98,127.24x = 135,433.27 × 57,838.65
  4. Step 4: Simplify right side
    98,127.24x = 7,833,277,501.89
  5. Step 5: Solve for x
    x = 7,833,277,501.89/98,127.24
  6. Step 6: Final answer
    x = 79,827.76

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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.