Home / 104,089.38-143,643.04-56,342.62

Finding the Fourth Proportional to 104,089.38, 143,643.04 and 56,342.62

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Solution

The fourth proportional to 104,089.38, 143,643.04 and 56,342.62 is: 77,752.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,089.38 : 143,643.04 = 56,342.62 : x
  2. Step 2: Convert to fraction form
    104,089.38/143,643.04 = 56,342.62/x
  3. Step 3: Cross multiply
    104,089.38x = 143,643.04 × 56,342.62
  4. Step 4: Simplify right side
    104,089.38x = 8,093,225,218.36
  5. Step 5: Solve for x
    x = 8,093,225,218.36/104,089.38
  6. Step 6: Final answer
    x = 77,752.65

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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.