Home / 56,015.07-77,320.63-50,036.36

Finding the Fourth Proportional to 56,015.07, 77,320.63 and 50,036.36

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Solution

The fourth proportional to 56,015.07, 77,320.63 and 50,036.36 is: 69,067.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,015.07 : 77,320.63 = 50,036.36 : x
  2. Step 2: Convert to fraction form
    56,015.07/77,320.63 = 50,036.36/x
  3. Step 3: Cross multiply
    56,015.07x = 77,320.63 × 50,036.36
  4. Step 4: Simplify right side
    56,015.07x = 3,868,842,490.06
  5. Step 5: Solve for x
    x = 3,868,842,490.06/56,015.07
  6. Step 6: Final answer
    x = 69,067.89

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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.