Home / 104,439.91-144,126.95-56,693.26

Finding the Fourth Proportional to 104,439.91, 144,126.95 and 56,693.26

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Solution

The fourth proportional to 104,439.91, 144,126.95 and 56,693.26 is: 78,236.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,439.91 : 144,126.95 = 56,693.26 : x
  2. Step 2: Convert to fraction form
    104,439.91/144,126.95 = 56,693.26/x
  3. Step 3: Cross multiply
    104,439.91x = 144,126.95 × 56,693.26
  4. Step 4: Simplify right side
    104,439.91x = 8,171,026,649.36
  5. Step 5: Solve for x
    x = 8,171,026,649.36/104,439.91
  6. Step 6: Final answer
    x = 78,236.63

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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.