Home / 98,455.05-147,675.41-38,472.29

Finding the Fourth Proportional to 98,455.05, 147,675.41 and 38,472.29

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Solution

The fourth proportional to 98,455.05, 147,675.41 and 38,472.29 is: 57,705.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,455.05 : 147,675.41 = 38,472.29 : x
  2. Step 2: Convert to fraction form
    98,455.05/147,675.41 = 38,472.29/x
  3. Step 3: Cross multiply
    98,455.05x = 147,675.41 × 38,472.29
  4. Step 4: Simplify right side
    98,455.05x = 5,681,411,199.39
  5. Step 5: Solve for x
    x = 5,681,411,199.39/98,455.05
  6. Step 6: Final answer
    x = 57,705.64

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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.