Home / 108,338.03-149,501.10-59,938.10

Finding the Fourth Proportional to 108,338.03, 149,501.10 and 59,938.10

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Solution

The fourth proportional to 108,338.03, 149,501.10 and 59,938.10 is: 82,711.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,338.03 : 149,501.10 = 59,938.10 : x
  2. Step 2: Convert to fraction form
    108,338.03/149,501.10 = 59,938.10/x
  3. Step 3: Cross multiply
    108,338.03x = 149,501.10 × 59,938.10
  4. Step 4: Simplify right side
    108,338.03x = 8,960,811,919.80
  5. Step 5: Solve for x
    x = 8,960,811,919.80/108,338.03
  6. Step 6: Final answer
    x = 82,711.60

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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.