Home / 49,445.12-74,196.80-18,302.08

Finding the Fourth Proportional to 49,445.12, 74,196.80 and 18,302.08

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Solution

The fourth proportional to 49,445.12, 74,196.80 and 18,302.08 is: 27,463.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,445.12 : 74,196.80 = 18,302.08 : x
  2. Step 2: Convert to fraction form
    49,445.12/74,196.80 = 18,302.08/x
  3. Step 3: Cross multiply
    49,445.12x = 74,196.80 × 18,302.08
  4. Step 4: Simplify right side
    49,445.12x = 1,357,955,769.34
  5. Step 5: Solve for x
    x = 1,357,955,769.34/49,445.12
  6. Step 6: Final answer
    x = 27,463.90

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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.