Home / 99,069.36-148,655.04-65,812.32

Finding the Fourth Proportional to 99,069.36, 148,655.04 and 65,812.32

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Solution

The fourth proportional to 99,069.36, 148,655.04 and 65,812.32 is: 98,752.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,069.36 : 148,655.04 = 65,812.32 : x
  2. Step 2: Convert to fraction form
    99,069.36/148,655.04 = 65,812.32/x
  3. Step 3: Cross multiply
    99,069.36x = 148,655.04 × 65,812.32
  4. Step 4: Simplify right side
    99,069.36x = 9,783,333,062.09
  5. Step 5: Solve for x
    x = 9,783,333,062.09/99,069.36
  6. Step 6: Final answer
    x = 98,752.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.