Home / 97,428.04-134,460.96-57,175.60

Finding the Fourth Proportional to 97,428.04, 134,460.96 and 57,175.60

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Solution

The fourth proportional to 97,428.04, 134,460.96 and 57,175.60 is: 78,908.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,428.04 : 134,460.96 = 57,175.60 : x
  2. Step 2: Convert to fraction form
    97,428.04/134,460.96 = 57,175.60/x
  3. Step 3: Cross multiply
    97,428.04x = 134,460.96 × 57,175.60
  4. Step 4: Simplify right side
    97,428.04x = 7,687,886,064.58
  5. Step 5: Solve for x
    x = 7,687,886,064.58/97,428.04
  6. Step 6: Final answer
    x = 78,908.35

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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.