Home / 104,466.39-144,164.66-56,720.13

Finding the Fourth Proportional to 104,466.39, 144,164.66 and 56,720.13

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Solution

The fourth proportional to 104,466.39, 144,164.66 and 56,720.13 is: 78,274.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,466.39 : 144,164.66 = 56,720.13 : x
  2. Step 2: Convert to fraction form
    104,466.39/144,164.66 = 56,720.13/x
  3. Step 3: Cross multiply
    104,466.39x = 144,164.66 × 56,720.13
  4. Step 4: Simplify right side
    104,466.39x = 8,177,037,973.01
  5. Step 5: Solve for x
    x = 8,177,037,973.01/104,466.39
  6. Step 6: Final answer
    x = 78,274.34

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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.