Home / 97,733.20-146,648.40-38,570.80

Finding the Fourth Proportional to 97,733.20, 146,648.40 and 38,570.80

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Solution

The fourth proportional to 97,733.20, 146,648.40 and 38,570.80 is: 57,875.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,733.20 : 146,648.40 = 38,570.80 : x
  2. Step 2: Convert to fraction form
    97,733.20/146,648.40 = 38,570.80/x
  3. Step 3: Cross multiply
    97,733.20x = 146,648.40 × 38,570.80
  4. Step 4: Simplify right side
    97,733.20x = 5,656,346,106.72
  5. Step 5: Solve for x
    x = 5,656,346,106.72/97,733.20
  6. Step 6: Final answer
    x = 57,875.38

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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.