Home / 56,800.13-78,384.39-31,649.63

Finding the Fourth Proportional to 56,800.13, 78,384.39 and 31,649.63

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Solution

The fourth proportional to 56,800.13, 78,384.39 and 31,649.63 is: 43,676.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,800.13 : 78,384.39 = 31,649.63 : x
  2. Step 2: Convert to fraction form
    56,800.13/78,384.39 = 31,649.63/x
  3. Step 3: Cross multiply
    56,800.13x = 78,384.39 × 31,649.63
  4. Step 4: Simplify right side
    56,800.13x = 2,480,836,941.28
  5. Step 5: Solve for x
    x = 2,480,836,941.28/56,800.13
  6. Step 6: Final answer
    x = 43,676.61

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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.