Home / 90,495.55-124,902.03-52,261.32

Finding the Fourth Proportional to 90,495.55, 124,902.03 and 52,261.32

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Solution

The fourth proportional to 90,495.55, 124,902.03 and 52,261.32 is: 72,131.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,495.55 : 124,902.03 = 52,261.32 : x
  2. Step 2: Convert to fraction form
    90,495.55/124,902.03 = 52,261.32/x
  3. Step 3: Cross multiply
    90,495.55x = 124,902.03 × 52,261.32
  4. Step 4: Simplify right side
    90,495.55x = 6,527,544,958.48
  5. Step 5: Solve for x
    x = 6,527,544,958.48/90,495.55
  6. Step 6: Final answer
    x = 72,131.12

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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.