Home / 99,135.00-136,802.60-53,812.02

Finding the Fourth Proportional to 99,135.00, 136,802.60 and 53,812.02

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Solution

The fourth proportional to 99,135.00, 136,802.60 and 53,812.02 is: 74,258.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,135.00 : 136,802.60 = 53,812.02 : x
  2. Step 2: Convert to fraction form
    99,135.00/136,802.60 = 53,812.02/x
  3. Step 3: Cross multiply
    99,135.00x = 136,802.60 × 53,812.02
  4. Step 4: Simplify right side
    99,135.00x = 7,361,623,294.18
  5. Step 5: Solve for x
    x = 7,361,623,294.18/99,135.00
  6. Step 6: Final answer
    x = 74,258.57

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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.