Home / 98,243.47-135,592.40-57,967.21

Finding the Fourth Proportional to 98,243.47, 135,592.40 and 57,967.21

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Solution

The fourth proportional to 98,243.47, 135,592.40 and 57,967.21 is: 80,004.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,243.47 : 135,592.40 = 57,967.21 : x
  2. Step 2: Convert to fraction form
    98,243.47/135,592.40 = 57,967.21/x
  3. Step 3: Cross multiply
    98,243.47x = 135,592.40 × 57,967.21
  4. Step 4: Simplify right side
    98,243.47x = 7,859,913,125.20
  5. Step 5: Solve for x
    x = 7,859,913,125.20/98,243.47
  6. Step 6: Final answer
    x = 80,004.43

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1.5x scale

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.