Home / 90,814.08-125,322.48-53,081.04

Finding the Fourth Proportional to 90,814.08, 125,322.48 and 53,081.04

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Solution

The fourth proportional to 90,814.08, 125,322.48 and 53,081.04 is: 73,251.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,814.08 : 125,322.48 = 53,081.04 : x
  2. Step 2: Convert to fraction form
    90,814.08/125,322.48 = 53,081.04/x
  3. Step 3: Cross multiply
    90,814.08x = 125,322.48 × 53,081.04
  4. Step 4: Simplify right side
    90,814.08x = 6,652,247,573.78
  5. Step 5: Solve for x
    x = 6,652,247,573.78/90,814.08
  6. Step 6: Final answer
    x = 73,251.28

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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.