Home / 97,837.20-146,561.40-53,384.40

Finding the Fourth Proportional to 97,837.20, 146,561.40 and 53,384.40

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Solution

The fourth proportional to 97,837.20, 146,561.40 and 53,384.40 is: 79,970.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,837.20 : 146,561.40 = 53,384.40 : x
  2. Step 2: Convert to fraction form
    97,837.20/146,561.40 = 53,384.40/x
  3. Step 3: Cross multiply
    97,837.20x = 146,561.40 × 53,384.40
  4. Step 4: Simplify right side
    97,837.20x = 7,824,092,402.16
  5. Step 5: Solve for x
    x = 7,824,092,402.16/97,837.20
  6. Step 6: Final answer
    x = 79,970.53

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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.