Home / 70,360.23-105,541.01-17,769.66

Finding the Fourth Proportional to 70,360.23, 105,541.01 and 17,769.66

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Solution

The fourth proportional to 70,360.23, 105,541.01 and 17,769.66 is: 26,654.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,360.23 : 105,541.01 = 17,769.66 : x
  2. Step 2: Convert to fraction form
    70,360.23/105,541.01 = 17,769.66/x
  3. Step 3: Cross multiply
    70,360.23x = 105,541.01 × 17,769.66
  4. Step 4: Simplify right side
    70,360.23x = 1,875,427,774.91
  5. Step 5: Solve for x
    x = 1,875,427,774.91/70,360.23
  6. Step 6: Final answer
    x = 26,654.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.