Home / 53,606.18-80,320.65-18,526.34

Finding the Fourth Proportional to 53,606.18, 80,320.65 and 18,526.34

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Solution

The fourth proportional to 53,606.18, 80,320.65 and 18,526.34 is: 27,758.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,606.18 : 80,320.65 = 18,526.34 : x
  2. Step 2: Convert to fraction form
    53,606.18/80,320.65 = 18,526.34/x
  3. Step 3: Cross multiply
    53,606.18x = 80,320.65 × 18,526.34
  4. Step 4: Simplify right side
    53,606.18x = 1,488,047,670.92
  5. Step 5: Solve for x
    x = 1,488,047,670.92/53,606.18
  6. Step 6: Final answer
    x = 27,758.88

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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.