Home / 104,412.82-144,090.16-56,666.16

Finding the Fourth Proportional to 104,412.82, 144,090.16 and 56,666.16

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Solution

The fourth proportional to 104,412.82, 144,090.16 and 56,666.16 is: 78,199.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,412.82 : 144,090.16 = 56,666.16 : x
  2. Step 2: Convert to fraction form
    104,412.82/144,090.16 = 56,666.16/x
  3. Step 3: Cross multiply
    104,412.82x = 144,090.16 × 56,666.16
  4. Step 4: Simplify right side
    104,412.82x = 8,165,036,060.99
  5. Step 5: Solve for x
    x = 8,165,036,060.99/104,412.82
  6. Step 6: Final answer
    x = 78,199.56

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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.