Home / 97,948.18-135,196.52-57,685.30

Finding the Fourth Proportional to 97,948.18, 135,196.52 and 57,685.30

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Solution

The fourth proportional to 97,948.18, 135,196.52 and 57,685.30 is: 79,622.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,948.18 : 135,196.52 = 57,685.30 : x
  2. Step 2: Convert to fraction form
    97,948.18/135,196.52 = 57,685.30/x
  3. Step 3: Cross multiply
    97,948.18x = 135,196.52 × 57,685.30
  4. Step 4: Simplify right side
    97,948.18x = 7,798,851,815.16
  5. Step 5: Solve for x
    x = 7,798,851,815.16/97,948.18
  6. Step 6: Final answer
    x = 79,622.22

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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.