Home / 91,051.83-125,651.66-52,818.62

Finding the Fourth Proportional to 91,051.83, 125,651.66 and 52,818.62

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Solution

The fourth proportional to 91,051.83, 125,651.66 and 52,818.62 is: 72,889.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,051.83 : 125,651.66 = 52,818.62 : x
  2. Step 2: Convert to fraction form
    91,051.83/125,651.66 = 52,818.62/x
  3. Step 3: Cross multiply
    91,051.83x = 125,651.66 × 52,818.62
  4. Step 4: Simplify right side
    91,051.83x = 6,636,746,389.56
  5. Step 5: Solve for x
    x = 6,636,746,389.56/91,051.83
  6. Step 6: Final answer
    x = 72,889.76

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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.