Home / 108,045.63-149,102.64-60,298.56

Finding the Fourth Proportional to 108,045.63, 149,102.64 and 60,298.56

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Solution

The fourth proportional to 108,045.63, 149,102.64 and 60,298.56 is: 83,211.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,045.63 : 149,102.64 = 60,298.56 : x
  2. Step 2: Convert to fraction form
    108,045.63/149,102.64 = 60,298.56/x
  3. Step 3: Cross multiply
    108,045.63x = 149,102.64 × 60,298.56
  4. Step 4: Simplify right side
    108,045.63x = 8,990,674,484.20
  5. Step 5: Solve for x
    x = 8,990,674,484.20/108,045.63
  6. Step 6: Final answer
    x = 83,211.83

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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.