Home / 90,814.64-125,322.23-52,575.80

Finding the Fourth Proportional to 90,814.64, 125,322.23 and 52,575.80

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Solution

The fourth proportional to 90,814.64, 125,322.23 and 52,575.80 is: 72,553.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,814.64 : 125,322.23 = 52,575.80 : x
  2. Step 2: Convert to fraction form
    90,814.64/125,322.23 = 52,575.80/x
  3. Step 3: Cross multiply
    90,814.64x = 125,322.23 × 52,575.80
  4. Step 4: Simplify right side
    90,814.64x = 6,588,916,004.86
  5. Step 5: Solve for x
    x = 6,588,916,004.86/90,814.64
  6. Step 6: Final answer
    x = 72,553.46

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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.