Home / 45,784.48-63,119.76-31,612.96

Finding the Fourth Proportional to 45,784.48, 63,119.76 and 31,612.96

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Solution

The fourth proportional to 45,784.48, 63,119.76 and 31,612.96 is: 43,582.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,784.48 : 63,119.76 = 31,612.96 : x
  2. Step 2: Convert to fraction form
    45,784.48/63,119.76 = 31,612.96/x
  3. Step 3: Cross multiply
    45,784.48x = 63,119.76 × 31,612.96
  4. Step 4: Simplify right side
    45,784.48x = 1,995,402,448.09
  5. Step 5: Solve for x
    x = 1,995,402,448.09/45,784.48
  6. Step 6: Final answer
    x = 43,582.51

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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.