Home / 90,597.08-125,019.72-50,313.35

Finding the Fourth Proportional to 90,597.08, 125,019.72 and 50,313.35

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Solution

The fourth proportional to 90,597.08, 125,019.72 and 50,313.35 is: 69,430.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,597.08 : 125,019.72 = 50,313.35 : x
  2. Step 2: Convert to fraction form
    90,597.08/125,019.72 = 50,313.35/x
  3. Step 3: Cross multiply
    90,597.08x = 125,019.72 × 50,313.35
  4. Step 4: Simplify right side
    90,597.08x = 6,290,161,241.81
  5. Step 5: Solve for x
    x = 6,290,161,241.81/90,597.08
  6. Step 6: Final answer
    x = 69,430.06

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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.