Home / 97,711.60-146,501.70-38,516.80

Finding the Fourth Proportional to 97,711.60, 146,501.70 and 38,516.80

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Solution

The fourth proportional to 97,711.60, 146,501.70 and 38,516.80 is: 57,749.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,711.60 : 146,501.70 = 38,516.80 : x
  2. Step 2: Convert to fraction form
    97,711.60/146,501.70 = 38,516.80/x
  3. Step 3: Cross multiply
    97,711.60x = 146,501.70 × 38,516.80
  4. Step 4: Simplify right side
    97,711.60x = 5,642,776,678.56
  5. Step 5: Solve for x
    x = 5,642,776,678.56/97,711.60
  6. Step 6: Final answer
    x = 57,749.30

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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.