Home / 104,060.05-143,602.85-56,313.40

Finding the Fourth Proportional to 104,060.05, 143,602.85 and 56,313.40

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Solution

The fourth proportional to 104,060.05, 143,602.85 and 56,313.40 is: 77,712.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,060.05 : 143,602.85 = 56,313.40 : x
  2. Step 2: Convert to fraction form
    104,060.05/143,602.85 = 56,313.40/x
  3. Step 3: Cross multiply
    104,060.05x = 143,602.85 × 56,313.40
  4. Step 4: Simplify right side
    104,060.05x = 8,086,764,015.18
  5. Step 5: Solve for x
    x = 8,086,764,015.18/104,060.05
  6. Step 6: Final answer
    x = 77,712.48

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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.