Home / 127,431.02-175,858.63-70,067.38

Finding the Fourth Proportional to 127,431.02, 175,858.63 and 70,067.38

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Solution

The fourth proportional to 127,431.02, 175,858.63 and 70,067.38 is: 96,695.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,431.02 : 175,858.63 = 70,067.38 : x
  2. Step 2: Convert to fraction form
    127,431.02/175,858.63 = 70,067.38/x
  3. Step 3: Cross multiply
    127,431.02x = 175,858.63 × 70,067.38
  4. Step 4: Simplify right side
    127,431.02x = 12,321,953,686.70
  5. Step 5: Solve for x
    x = 12,321,953,686.70/127,431.02
  6. Step 6: Final answer
    x = 96,695.09

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1.5x scale

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.