Home / 117,849.02-162,629.36-65,459.12

Finding the Fourth Proportional to 117,849.02, 162,629.36 and 65,459.12

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Solution

The fourth proportional to 117,849.02, 162,629.36 and 65,459.12 is: 90,332.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,849.02 : 162,629.36 = 65,459.12 : x
  2. Step 2: Convert to fraction form
    117,849.02/162,629.36 = 65,459.12/x
  3. Step 3: Cross multiply
    117,849.02x = 162,629.36 × 65,459.12
  4. Step 4: Simplify right side
    117,849.02x = 10,645,574,791.76
  5. Step 5: Solve for x
    x = 10,645,574,791.76/117,849.02
  6. Step 6: Final answer
    x = 90,332.31

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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.