Home / 42,681.10-64,016.03-13,096.46

Finding the Fourth Proportional to 42,681.10, 64,016.03 and 13,096.46

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Solution

The fourth proportional to 42,681.10, 64,016.03 and 13,096.46 is: 19,642.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,681.10 : 64,016.03 = 13,096.46 : x
  2. Step 2: Convert to fraction form
    42,681.10/64,016.03 = 13,096.46/x
  3. Step 3: Cross multiply
    42,681.10x = 64,016.03 × 13,096.46
  4. Step 4: Simplify right side
    42,681.10x = 838,383,352.16
  5. Step 5: Solve for x
    x = 838,383,352.16/42,681.10
  6. Step 6: Final answer
    x = 19,642.96

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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.