Home / 106,370.10-159,478.35-59,637.30

Finding the Fourth Proportional to 106,370.10, 159,478.35 and 59,637.30

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Solution

The fourth proportional to 106,370.10, 159,478.35 and 59,637.30 is: 89,412.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,370.10 : 159,478.35 = 59,637.30 : x
  2. Step 2: Convert to fraction form
    106,370.10/159,478.35 = 59,637.30/x
  3. Step 3: Cross multiply
    106,370.10x = 159,478.35 × 59,637.30
  4. Step 4: Simplify right side
    106,370.10x = 9,510,858,202.46
  5. Step 5: Solve for x
    x = 9,510,858,202.46/106,370.10
  6. Step 6: Final answer
    x = 89,412.89

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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.