Home / 99,230.40-136,899.24-56,199.96

Finding the Fourth Proportional to 99,230.40, 136,899.24 and 56,199.96

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Solution

The fourth proportional to 99,230.40, 136,899.24 and 56,199.96 is: 77,534.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,230.40 : 136,899.24 = 56,199.96 : x
  2. Step 2: Convert to fraction form
    99,230.40/136,899.24 = 56,199.96/x
  3. Step 3: Cross multiply
    99,230.40x = 136,899.24 × 56,199.96
  4. Step 4: Simplify right side
    99,230.40x = 7,693,731,812.03
  5. Step 5: Solve for x
    x = 7,693,731,812.03/99,230.40
  6. Step 6: Final answer
    x = 77,534.02

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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.