Home / 119,979.48-165,570.84-66,264.12

Finding the Fourth Proportional to 119,979.48, 165,570.84 and 66,264.12

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Solution

The fourth proportional to 119,979.48, 165,570.84 and 66,264.12 is: 91,444.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,979.48 : 165,570.84 = 66,264.12 : x
  2. Step 2: Convert to fraction form
    119,979.48/165,570.84 = 66,264.12/x
  3. Step 3: Cross multiply
    119,979.48x = 165,570.84 × 66,264.12
  4. Step 4: Simplify right side
    119,979.48x = 10,971,406,010.26
  5. Step 5: Solve for x
    x = 10,971,406,010.26/119,979.48
  6. Step 6: Final answer
    x = 91,444.02

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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.