Home / 115,323.39-172,984.05-36,437.63

Finding the Fourth Proportional to 115,323.39, 172,984.05 and 36,437.63

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Solution

The fourth proportional to 115,323.39, 172,984.05 and 36,437.63 is: 54,656.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,323.39 : 172,984.05 = 36,437.63 : x
  2. Step 2: Convert to fraction form
    115,323.39/172,984.05 = 36,437.63/x
  3. Step 3: Cross multiply
    115,323.39x = 172,984.05 × 36,437.63
  4. Step 4: Simplify right side
    115,323.39x = 6,303,127,944.88
  5. Step 5: Solve for x
    x = 6,303,127,944.88/115,323.39
  6. Step 6: Final answer
    x = 54,656.11

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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.