Home / 53,465.20-80,301.60-39,369.56

Finding the Fourth Proportional to 53,465.20, 80,301.60 and 39,369.56

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Solution

The fourth proportional to 53,465.20, 80,301.60 and 39,369.56 is: 59,130.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,465.20 : 80,301.60 = 39,369.56 : x
  2. Step 2: Convert to fraction form
    53,465.20/80,301.60 = 39,369.56/x
  3. Step 3: Cross multiply
    53,465.20x = 80,301.60 × 39,369.56
  4. Step 4: Simplify right side
    53,465.20x = 3,161,438,941.65
  5. Step 5: Solve for x
    x = 3,161,438,941.65/53,465.20
  6. Step 6: Final answer
    x = 59,130.77

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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.