Home / 97,715.30-146,281.35-91,948.10

Finding the Fourth Proportional to 97,715.30, 146,281.35 and 91,948.10

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Solution

The fourth proportional to 97,715.30, 146,281.35 and 91,948.10 is: 137,647.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,715.30 : 146,281.35 = 91,948.10 : x
  2. Step 2: Convert to fraction form
    97,715.30/146,281.35 = 91,948.10/x
  3. Step 3: Cross multiply
    97,715.30x = 146,281.35 × 91,948.10
  4. Step 4: Simplify right side
    97,715.30x = 13,450,292,197.94
  5. Step 5: Solve for x
    x = 13,450,292,197.94/97,715.30
  6. Step 6: Final answer
    x = 137,647.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.