Home / 119,962.45-165,547.42-66,247.03

Finding the Fourth Proportional to 119,962.45, 165,547.42 and 66,247.03

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Solution

The fourth proportional to 119,962.45, 165,547.42 and 66,247.03 is: 91,420.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,962.45 : 165,547.42 = 66,247.03 : x
  2. Step 2: Convert to fraction form
    119,962.45/165,547.42 = 66,247.03/x
  3. Step 3: Cross multiply
    119,962.45x = 165,547.42 × 66,247.03
  4. Step 4: Simplify right side
    119,962.45x = 10,967,024,899.16
  5. Step 5: Solve for x
    x = 10,967,024,899.16/119,962.45
  6. Step 6: Final answer
    x = 91,420.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.