Home / 104,091.42-143,646.12-56,345.16

Finding the Fourth Proportional to 104,091.42, 143,646.12 and 56,345.16

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Solution

The fourth proportional to 104,091.42, 143,646.12 and 56,345.16 is: 77,756.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,091.42 : 143,646.12 = 56,345.16 : x
  2. Step 2: Convert to fraction form
    104,091.42/143,646.12 = 56,345.16/x
  3. Step 3: Cross multiply
    104,091.42x = 143,646.12 × 56,345.16
  4. Step 4: Simplify right side
    104,091.42x = 8,093,763,614.78
  5. Step 5: Solve for x
    x = 8,093,763,614.78/104,091.42
  6. Step 6: Final answer
    x = 77,756.30

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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.