Home / 99,137.23-136,817.58-56,703.94

Finding the Fourth Proportional to 99,137.23, 136,817.58 and 56,703.94

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Solution

The fourth proportional to 99,137.23, 136,817.58 and 56,703.94 is: 78,256.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,137.23 : 136,817.58 = 56,703.94 : x
  2. Step 2: Convert to fraction form
    99,137.23/136,817.58 = 56,703.94/x
  3. Step 3: Cross multiply
    99,137.23x = 136,817.58 × 56,703.94
  4. Step 4: Simplify right side
    99,137.23x = 7,758,095,847.27
  5. Step 5: Solve for x
    x = 7,758,095,847.27/99,137.23
  6. Step 6: Final answer
    x = 78,256.13

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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.