Home / 98,827.36-148,320.96-76,588

Finding the Fourth Proportional to 98,827.36, 148,320.96 and 76,588

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Solution

The fourth proportional to 98,827.36, 148,320.96 and 76,588 is: 114,943.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,827.36 : 148,320.96 = 76,588 : x
  2. Step 2: Convert to fraction form
    98,827.36/148,320.96 = 76,588/x
  3. Step 3: Cross multiply
    98,827.36x = 148,320.96 × 76,588
  4. Step 4: Simplify right side
    98,827.36x = 11,359,605,684.48
  5. Step 5: Solve for x
    x = 11,359,605,684.48/98,827.36
  6. Step 6: Final answer
    x = 114,943.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.