Home / 97,142.49-134,062.70-58,905.43

Finding the Fourth Proportional to 97,142.49, 134,062.70 and 58,905.43

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Solution

The fourth proportional to 97,142.49, 134,062.70 and 58,905.43 is: 81,293.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,142.49 : 134,062.70 = 58,905.43 : x
  2. Step 2: Convert to fraction form
    97,142.49/134,062.70 = 58,905.43/x
  3. Step 3: Cross multiply
    97,142.49x = 134,062.70 × 58,905.43
  4. Step 4: Simplify right side
    97,142.49x = 7,897,020,360.78
  5. Step 5: Solve for x
    x = 7,897,020,360.78/97,142.49
  6. Step 6: Final answer
    x = 81,293.16

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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.