Home / 104,320.92-143,962.08-56,574.36

Finding the Fourth Proportional to 104,320.92, 143,962.08 and 56,574.36

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Solution

The fourth proportional to 104,320.92, 143,962.08 and 56,574.36 is: 78,072.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,320.92 : 143,962.08 = 56,574.36 : x
  2. Step 2: Convert to fraction form
    104,320.92/143,962.08 = 56,574.36/x
  3. Step 3: Cross multiply
    104,320.92x = 143,962.08 × 56,574.36
  4. Step 4: Simplify right side
    104,320.92x = 8,144,562,540.27
  5. Step 5: Solve for x
    x = 8,144,562,540.27/104,320.92
  6. Step 6: Final answer
    x = 78,072.19

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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.