Home / 76,389.24-114,556.48-26,455.92

Finding the Fourth Proportional to 76,389.24, 114,556.48 and 26,455.92

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Solution

The fourth proportional to 76,389.24, 114,556.48 and 26,455.92 is: 39,674.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,389.24 : 114,556.48 = 26,455.92 : x
  2. Step 2: Convert to fraction form
    76,389.24/114,556.48 = 26,455.92/x
  3. Step 3: Cross multiply
    76,389.24x = 114,556.48 × 26,455.92
  4. Step 4: Simplify right side
    76,389.24x = 3,030,697,070.36
  5. Step 5: Solve for x
    x = 3,030,697,070.36/76,389.24
  6. Step 6: Final answer
    x = 39,674.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.