Home / 80,349.47-120,547.77-35,966.34

Finding the Fourth Proportional to 80,349.47, 120,547.77 and 35,966.34

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Solution

The fourth proportional to 80,349.47, 120,547.77 and 35,966.34 is: 53,960.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,349.47 : 120,547.77 = 35,966.34 : x
  2. Step 2: Convert to fraction form
    80,349.47/120,547.77 = 35,966.34/x
  3. Step 3: Cross multiply
    80,349.47x = 120,547.77 × 35,966.34
  4. Step 4: Simplify right side
    80,349.47x = 4,335,662,082.06
  5. Step 5: Solve for x
    x = 4,335,662,082.06/80,349.47
  6. Step 6: Final answer
    x = 53,960.06

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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.