Home / 64,631.52-89,161.56-37,775.16

Finding the Fourth Proportional to 64,631.52, 89,161.56 and 37,775.16

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Solution

The fourth proportional to 64,631.52, 89,161.56 and 37,775.16 is: 52,112.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,631.52 : 89,161.56 = 37,775.16 : x
  2. Step 2: Convert to fraction form
    64,631.52/89,161.56 = 37,775.16/x
  3. Step 3: Cross multiply
    64,631.52x = 89,161.56 × 37,775.16
  4. Step 4: Simplify right side
    64,631.52x = 3,368,092,194.85
  5. Step 5: Solve for x
    x = 3,368,092,194.85/64,631.52
  6. Step 6: Final answer
    x = 52,112.22

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1.5x scale

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.