Home / 108,017.11-149,070.81-60,271.48

Finding the Fourth Proportional to 108,017.11, 149,070.81 and 60,271.48

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Solution

The fourth proportional to 108,017.11, 149,070.81 and 60,271.48 is: 83,178.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,017.11 : 149,070.81 = 60,271.48 : x
  2. Step 2: Convert to fraction form
    108,017.11/149,070.81 = 60,271.48/x
  3. Step 3: Cross multiply
    108,017.11x = 149,070.81 × 60,271.48
  4. Step 4: Simplify right side
    108,017.11x = 8,984,718,343.50
  5. Step 5: Solve for x
    x = 8,984,718,343.50/108,017.11
  6. Step 6: Final answer
    x = 83,178.66

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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.