Home / 53,811.55-80,686.59-16,360.57

Finding the Fourth Proportional to 53,811.55, 80,686.59 and 16,360.57

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Solution

The fourth proportional to 53,811.55, 80,686.59 and 16,360.57 is: 24,531.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,811.55 : 80,686.59 = 16,360.57 : x
  2. Step 2: Convert to fraction form
    53,811.55/80,686.59 = 16,360.57/x
  3. Step 3: Cross multiply
    53,811.55x = 80,686.59 × 16,360.57
  4. Step 4: Simplify right side
    53,811.55x = 1,320,078,603.76
  5. Step 5: Solve for x
    x = 1,320,078,603.76/53,811.55
  6. Step 6: Final answer
    x = 24,531.51

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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.