Home / 108,633.26-149,927.67-63,313.35

Finding the Fourth Proportional to 108,633.26, 149,927.67 and 63,313.35

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Solution

The fourth proportional to 108,633.26, 149,927.67 and 63,313.35 is: 87,380.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,633.26 : 149,927.67 = 63,313.35 : x
  2. Step 2: Convert to fraction form
    108,633.26/149,927.67 = 63,313.35/x
  3. Step 3: Cross multiply
    108,633.26x = 149,927.67 × 63,313.35
  4. Step 4: Simplify right side
    108,633.26x = 9,492,423,045.39
  5. Step 5: Solve for x
    x = 9,492,423,045.39/108,633.26
  6. Step 6: Final answer
    x = 87,380.45

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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.