Home / 105,067.80-144,987.90-59,739.52

Finding the Fourth Proportional to 105,067.80, 144,987.90 and 59,739.52

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Solution

The fourth proportional to 105,067.80, 144,987.90 and 59,739.52 is: 82,437.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,067.80 : 144,987.90 = 59,739.52 : x
  2. Step 2: Convert to fraction form
    105,067.80/144,987.90 = 59,739.52/x
  3. Step 3: Cross multiply
    105,067.80x = 144,987.90 × 59,739.52
  4. Step 4: Simplify right side
    105,067.80x = 8,661,507,551.81
  5. Step 5: Solve for x
    x = 8,661,507,551.81/105,067.80
  6. Step 6: Final answer
    x = 82,437.32

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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.