Home / 99,202.88-136,900.98-53,881.30

Finding the Fourth Proportional to 99,202.88, 136,900.98 and 53,881.30

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Solution

The fourth proportional to 99,202.88, 136,900.98 and 53,881.30 is: 74,356.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,202.88 : 136,900.98 = 53,881.30 : x
  2. Step 2: Convert to fraction form
    99,202.88/136,900.98 = 53,881.30/x
  3. Step 3: Cross multiply
    99,202.88x = 136,900.98 × 53,881.30
  4. Step 4: Simplify right side
    99,202.88x = 7,376,402,773.67
  5. Step 5: Solve for x
    x = 7,376,402,773.67/99,202.88
  6. Step 6: Final answer
    x = 74,356.74

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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.