Home / 104,001.04-143,520.87-56,254.29

Finding the Fourth Proportional to 104,001.04, 143,520.87 and 56,254.29

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Solution

The fourth proportional to 104,001.04, 143,520.87 and 56,254.29 is: 77,630.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,001.04 : 143,520.87 = 56,254.29 : x
  2. Step 2: Convert to fraction form
    104,001.04/143,520.87 = 56,254.29/x
  3. Step 3: Cross multiply
    104,001.04x = 143,520.87 × 56,254.29
  4. Step 4: Simplify right side
    104,001.04x = 8,073,664,642.03
  5. Step 5: Solve for x
    x = 8,073,664,642.03/104,001.04
  6. Step 6: Final answer
    x = 77,630.61

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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.