Home / 97,353.40-134,376.44-57,075.88

Finding the Fourth Proportional to 97,353.40, 134,376.44 and 57,075.88

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Solution

The fourth proportional to 97,353.40, 134,376.44 and 57,075.88 is: 78,781.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,353.40 : 134,376.44 = 57,075.88 : x
  2. Step 2: Convert to fraction form
    97,353.40/134,376.44 = 57,075.88/x
  3. Step 3: Cross multiply
    97,353.40x = 134,376.44 × 57,075.88
  4. Step 4: Simplify right side
    97,353.40x = 7,669,653,564.27
  5. Step 5: Solve for x
    x = 7,669,653,564.27/97,353.40
  6. Step 6: Final answer
    x = 78,781.57

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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.