Home / 50,109.15-75,055.44-47,164.80

Finding the Fourth Proportional to 50,109.15, 75,055.44 and 47,164.80

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Solution

The fourth proportional to 50,109.15, 75,055.44 and 47,164.80 is: 70,645.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,109.15 : 75,055.44 = 47,164.80 : x
  2. Step 2: Convert to fraction form
    50,109.15/75,055.44 = 47,164.80/x
  3. Step 3: Cross multiply
    50,109.15x = 75,055.44 × 47,164.80
  4. Step 4: Simplify right side
    50,109.15x = 3,539,974,816.51
  5. Step 5: Solve for x
    x = 3,539,974,816.51/50,109.15
  6. Step 6: Final answer
    x = 70,645.28

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1.5x scale

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.