Home / 101,769.89-140,446.91-56,444.83

Finding the Fourth Proportional to 101,769.89, 140,446.91 and 56,444.83

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Solution

The fourth proportional to 101,769.89, 140,446.91 and 56,444.83 is: 77,896.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,769.89 : 140,446.91 = 56,444.83 : x
  2. Step 2: Convert to fraction form
    101,769.89/140,446.91 = 56,444.83/x
  3. Step 3: Cross multiply
    101,769.89x = 140,446.91 × 56,444.83
  4. Step 4: Simplify right side
    101,769.89x = 7,927,501,748.97
  5. Step 5: Solve for x
    x = 7,927,501,748.97/101,769.89
  6. Step 6: Final answer
    x = 77,896.34

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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.