Home / 64,320.64-88,794.56-40,460.48

Finding the Fourth Proportional to 64,320.64, 88,794.56 and 40,460.48

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Solution

The fourth proportional to 64,320.64, 88,794.56 and 40,460.48 is: 55,855.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,320.64 : 88,794.56 = 40,460.48 : x
  2. Step 2: Convert to fraction form
    64,320.64/88,794.56 = 40,460.48/x
  3. Step 3: Cross multiply
    64,320.64x = 88,794.56 × 40,460.48
  4. Step 4: Simplify right side
    64,320.64x = 3,592,670,518.99
  5. Step 5: Solve for x
    x = 3,592,670,518.99/64,320.64
  6. Step 6: Final answer
    x = 55,855.64

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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.