Home / 64,785.24-89,350.77-54,396.89

Finding the Fourth Proportional to 64,785.24, 89,350.77 and 54,396.89

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Solution

The fourth proportional to 64,785.24, 89,350.77 and 54,396.89 is: 75,023.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,785.24 : 89,350.77 = 54,396.89 : x
  2. Step 2: Convert to fraction form
    64,785.24/89,350.77 = 54,396.89/x
  3. Step 3: Cross multiply
    64,785.24x = 89,350.77 × 54,396.89
  4. Step 4: Simplify right side
    64,785.24x = 4,860,404,197.71
  5. Step 5: Solve for x
    x = 4,860,404,197.71/64,785.24
  6. Step 6: Final answer
    x = 75,023.32

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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.