Home / 97,340.90-134,359.17-57,063.38

Finding the Fourth Proportional to 97,340.90, 134,359.17 and 57,063.38

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Solution

The fourth proportional to 97,340.90, 134,359.17 and 57,063.38 is: 78,764.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,340.90 : 134,359.17 = 57,063.38 : x
  2. Step 2: Convert to fraction form
    97,340.90/134,359.17 = 57,063.38/x
  3. Step 3: Cross multiply
    97,340.90x = 134,359.17 × 57,063.38
  4. Step 4: Simplify right side
    97,340.90x = 7,666,988,374.19
  5. Step 5: Solve for x
    x = 7,666,988,374.19/97,340.90
  6. Step 6: Final answer
    x = 78,764.31

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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.