Home / 99,172.19-136,859.06-53,850.26

Finding the Fourth Proportional to 99,172.19, 136,859.06 and 53,850.26

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Solution

The fourth proportional to 99,172.19, 136,859.06 and 53,850.26 is: 74,314.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,172.19 : 136,859.06 = 53,850.26 : x
  2. Step 2: Convert to fraction form
    99,172.19/136,859.06 = 53,850.26/x
  3. Step 3: Cross multiply
    99,172.19x = 136,859.06 × 53,850.26
  4. Step 4: Simplify right side
    99,172.19x = 7,369,895,964.36
  5. Step 5: Solve for x
    x = 7,369,895,964.36/99,172.19
  6. Step 6: Final answer
    x = 74,314.14

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1.5x scale

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.