Home / 97,677.65-146,505.47-66,289.34

Finding the Fourth Proportional to 97,677.65, 146,505.47 and 66,289.34

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Solution

The fourth proportional to 97,677.65, 146,505.47 and 66,289.34 is: 99,426.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,677.65 : 146,505.47 = 66,289.34 : x
  2. Step 2: Convert to fraction form
    97,677.65/146,505.47 = 66,289.34/x
  3. Step 3: Cross multiply
    97,677.65x = 146,505.47 × 66,289.34
  4. Step 4: Simplify right side
    97,677.65x = 9,711,749,848.72
  5. Step 5: Solve for x
    x = 9,711,749,848.72/97,677.65
  6. Step 6: Final answer
    x = 99,426.54

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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.