Home / 104,059.28-143,601.80-56,312.62

Finding the Fourth Proportional to 104,059.28, 143,601.80 and 56,312.62

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Solution

The fourth proportional to 104,059.28, 143,601.80 and 56,312.62 is: 77,711.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,059.28 : 143,601.80 = 56,312.62 : x
  2. Step 2: Convert to fraction form
    104,059.28/143,601.80 = 56,312.62/x
  3. Step 3: Cross multiply
    104,059.28x = 143,601.80 × 56,312.62
  4. Step 4: Simplify right side
    104,059.28x = 8,086,593,594.72
  5. Step 5: Solve for x
    x = 8,086,593,594.72/104,059.28
  6. Step 6: Final answer
    x = 77,711.41

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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.