Home / 53,726.64-80,512.20-30,303.24

Finding the Fourth Proportional to 53,726.64, 80,512.20 and 30,303.24

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Solution

The fourth proportional to 53,726.64, 80,512.20 and 30,303.24 is: 45,411.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,726.64 : 80,512.20 = 30,303.24 : x
  2. Step 2: Convert to fraction form
    53,726.64/80,512.20 = 30,303.24/x
  3. Step 3: Cross multiply
    53,726.64x = 80,512.20 × 30,303.24
  4. Step 4: Simplify right side
    53,726.64x = 2,439,780,519.53
  5. Step 5: Solve for x
    x = 2,439,780,519.53/53,726.64
  6. Step 6: Final answer
    x = 45,411.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.