Home / 102,291.12-153,426.96-35,731.80

Finding the Fourth Proportional to 102,291.12, 153,426.96 and 35,731.80

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Solution

The fourth proportional to 102,291.12, 153,426.96 and 35,731.80 is: 53,594.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,291.12 : 153,426.96 = 35,731.80 : x
  2. Step 2: Convert to fraction form
    102,291.12/153,426.96 = 35,731.80/x
  3. Step 3: Cross multiply
    102,291.12x = 153,426.96 × 35,731.80
  4. Step 4: Simplify right side
    102,291.12x = 5,482,221,449.33
  5. Step 5: Solve for x
    x = 5,482,221,449.33/102,291.12
  6. Step 6: Final answer
    x = 53,594.30

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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.