Home / 102,130.62-153,210.29-35,561.08

Finding the Fourth Proportional to 102,130.62, 153,210.29 and 35,561.08

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Solution

The fourth proportional to 102,130.62, 153,210.29 and 35,561.08 is: 53,346.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,130.62 : 153,210.29 = 35,561.08 : x
  2. Step 2: Convert to fraction form
    102,130.62/153,210.29 = 35,561.08/x
  3. Step 3: Cross multiply
    102,130.62x = 153,210.29 × 35,561.08
  4. Step 4: Simplify right side
    102,130.62x = 5,448,322,531.41
  5. Step 5: Solve for x
    x = 5,448,322,531.41/102,130.62
  6. Step 6: Final answer
    x = 53,346.61

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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.