Home / 64,730.92-89,330.36-36,437.64

Finding the Fourth Proportional to 64,730.92, 89,330.36 and 36,437.64

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Solution

The fourth proportional to 64,730.92, 89,330.36 and 36,437.64 is: 50,284.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,730.92 : 89,330.36 = 36,437.64 : x
  2. Step 2: Convert to fraction form
    64,730.92/89,330.36 = 36,437.64/x
  3. Step 3: Cross multiply
    64,730.92x = 89,330.36 × 36,437.64
  4. Step 4: Simplify right side
    64,730.92x = 3,254,987,498.75
  5. Step 5: Solve for x
    x = 3,254,987,498.75/64,730.92
  6. Step 6: Final answer
    x = 50,284.89

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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.