Home / 66,207.57-99,178.38-30,619.00

Finding the Fourth Proportional to 66,207.57, 99,178.38 and 30,619.00

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Solution

The fourth proportional to 66,207.57, 99,178.38 and 30,619.00 is: 45,867.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,207.57 : 99,178.38 = 30,619.00 : x
  2. Step 2: Convert to fraction form
    66,207.57/99,178.38 = 30,619.00/x
  3. Step 3: Cross multiply
    66,207.57x = 99,178.38 × 30,619.00
  4. Step 4: Simplify right side
    66,207.57x = 3,036,742,941.19
  5. Step 5: Solve for x
    x = 3,036,742,941.19/66,207.57
  6. Step 6: Final answer
    x = 45,867.01

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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.