Home / 99,055.90-148,321.41-52,210.36

Finding the Fourth Proportional to 99,055.90, 148,321.41 and 52,210.36

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Solution

The fourth proportional to 99,055.90, 148,321.41 and 52,210.36 is: 78,177.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,055.90 : 148,321.41 = 52,210.36 : x
  2. Step 2: Convert to fraction form
    99,055.90/148,321.41 = 52,210.36/x
  3. Step 3: Cross multiply
    99,055.90x = 148,321.41 × 52,210.36
  4. Step 4: Simplify right side
    99,055.90x = 7,743,914,211.81
  5. Step 5: Solve for x
    x = 7,743,914,211.81/99,055.90
  6. Step 6: Final answer
    x = 78,177.21

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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.