Home / 98,911.04-136,453.92-59,144

Finding the Fourth Proportional to 98,911.04, 136,453.92 and 59,144

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Solution

The fourth proportional to 98,911.04, 136,453.92 and 59,144 is: 81,592.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,911.04 : 136,453.92 = 59,144 : x
  2. Step 2: Convert to fraction form
    98,911.04/136,453.92 = 59,144/x
  3. Step 3: Cross multiply
    98,911.04x = 136,453.92 × 59,144
  4. Step 4: Simplify right side
    98,911.04x = 8,070,430,644.48
  5. Step 5: Solve for x
    x = 8,070,430,644.48/98,911.04
  6. Step 6: Final answer
    x = 81,592.82

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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.