Home / 104,082.36-143,633.40-56,335.32

Finding the Fourth Proportional to 104,082.36, 143,633.40 and 56,335.32

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Solution

The fourth proportional to 104,082.36, 143,633.40 and 56,335.32 is: 77,742.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,082.36 : 143,633.40 = 56,335.32 : x
  2. Step 2: Convert to fraction form
    104,082.36/143,633.40 = 56,335.32/x
  3. Step 3: Cross multiply
    104,082.36x = 143,633.40 × 56,335.32
  4. Step 4: Simplify right side
    104,082.36x = 8,091,633,551.69
  5. Step 5: Solve for x
    x = 8,091,633,551.69/104,082.36
  6. Step 6: Final answer
    x = 77,742.60

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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.