Home / 65,607.09-90,581.37-50,473.05

Finding the Fourth Proportional to 65,607.09, 90,581.37 and 50,473.05

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Solution

The fourth proportional to 65,607.09, 90,581.37 and 50,473.05 is: 69,686.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,607.09 : 90,581.37 = 50,473.05 : x
  2. Step 2: Convert to fraction form
    65,607.09/90,581.37 = 50,473.05/x
  3. Step 3: Cross multiply
    65,607.09x = 90,581.37 × 50,473.05
  4. Step 4: Simplify right side
    65,607.09x = 4,571,918,017.08
  5. Step 5: Solve for x
    x = 4,571,918,017.08/65,607.09
  6. Step 6: Final answer
    x = 69,686.34

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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.