Home / 104,246.28-143,860.10-56,499.62

Finding the Fourth Proportional to 104,246.28, 143,860.10 and 56,499.62

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Solution

The fourth proportional to 104,246.28, 143,860.10 and 56,499.62 is: 77,969.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,246.28 : 143,860.10 = 56,499.62 : x
  2. Step 2: Convert to fraction form
    104,246.28/143,860.10 = 56,499.62/x
  3. Step 3: Cross multiply
    104,246.28x = 143,860.10 × 56,499.62
  4. Step 4: Simplify right side
    104,246.28x = 8,128,039,981.36
  5. Step 5: Solve for x
    x = 8,128,039,981.36/104,246.28
  6. Step 6: Final answer
    x = 77,969.59

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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.