Home / 92,868.62-128,162.99-52,577.06

Finding the Fourth Proportional to 92,868.62, 128,162.99 and 52,577.06

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Solution

The fourth proportional to 92,868.62, 128,162.99 and 52,577.06 is: 72,558.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,868.62 : 128,162.99 = 52,577.06 : x
  2. Step 2: Convert to fraction form
    92,868.62/128,162.99 = 52,577.06/x
  3. Step 3: Cross multiply
    92,868.62x = 128,162.99 × 52,577.06
  4. Step 4: Simplify right side
    92,868.62x = 6,738,432,705.64
  5. Step 5: Solve for x
    x = 6,738,432,705.64/92,868.62
  6. Step 6: Final answer
    x = 72,558.77

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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.