Home / 92,949.66-128,270.10-52,663.35

Finding the Fourth Proportional to 92,949.66, 128,270.10 and 52,663.35

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Solution

The fourth proportional to 92,949.66, 128,270.10 and 52,663.35 is: 72,675.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,949.66 : 128,270.10 = 52,663.35 : x
  2. Step 2: Convert to fraction form
    92,949.66/128,270.10 = 52,663.35/x
  3. Step 3: Cross multiply
    92,949.66x = 128,270.10 × 52,663.35
  4. Step 4: Simplify right side
    92,949.66x = 6,755,133,170.84
  5. Step 5: Solve for x
    x = 6,755,133,170.84/92,949.66
  6. Step 6: Final answer
    x = 72,675.18

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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.