Home / 45,590.08-68,343.32-15,991.84

Finding the Fourth Proportional to 45,590.08, 68,343.32 and 15,991.84

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Solution

The fourth proportional to 45,590.08, 68,343.32 and 15,991.84 is: 23,973.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,590.08 : 68,343.32 = 15,991.84 : x
  2. Step 2: Convert to fraction form
    45,590.08/68,343.32 = 15,991.84/x
  3. Step 3: Cross multiply
    45,590.08x = 68,343.32 × 15,991.84
  4. Step 4: Simplify right side
    45,590.08x = 1,092,935,438.51
  5. Step 5: Solve for x
    x = 1,092,935,438.51/45,590.08
  6. Step 6: Final answer
    x = 23,973.10

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1.5x scale

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.