Home / 74,527.68-111,790.44-18,368.40

Finding the Fourth Proportional to 74,527.68, 111,790.44 and 18,368.40

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Solution

The fourth proportional to 74,527.68, 111,790.44 and 18,368.40 is: 27,552.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,527.68 : 111,790.44 = 18,368.40 : x
  2. Step 2: Convert to fraction form
    74,527.68/111,790.44 = 18,368.40/x
  3. Step 3: Cross multiply
    74,527.68x = 111,790.44 × 18,368.40
  4. Step 4: Simplify right side
    74,527.68x = 2,053,411,518.10
  5. Step 5: Solve for x
    x = 2,053,411,518.10/74,527.68
  6. Step 6: Final answer
    x = 27,552.33

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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.