Home / 104,160.23-143,740.40-56,412.48

Finding the Fourth Proportional to 104,160.23, 143,740.40 and 56,412.48

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Solution

The fourth proportional to 104,160.23, 143,740.40 and 56,412.48 is: 77,848.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,160.23 : 143,740.40 = 56,412.48 : x
  2. Step 2: Convert to fraction form
    104,160.23/143,740.40 = 56,412.48/x
  3. Step 3: Cross multiply
    104,160.23x = 143,740.40 × 56,412.48
  4. Step 4: Simplify right side
    104,160.23x = 8,108,752,158.13
  5. Step 5: Solve for x
    x = 8,108,752,158.13/104,160.23
  6. Step 6: Final answer
    x = 77,848.83

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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.