Home / 53,079.12-73,247.32-29,205.60

Finding the Fourth Proportional to 53,079.12, 73,247.32 and 29,205.60

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Solution

The fourth proportional to 53,079.12, 73,247.32 and 29,205.60 is: 40,302.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,079.12 : 73,247.32 = 29,205.60 : x
  2. Step 2: Convert to fraction form
    53,079.12/73,247.32 = 29,205.60/x
  3. Step 3: Cross multiply
    53,079.12x = 73,247.32 × 29,205.60
  4. Step 4: Simplify right side
    53,079.12x = 2,139,231,928.99
  5. Step 5: Solve for x
    x = 2,139,231,928.99/53,079.12
  6. Step 6: Final answer
    x = 40,302.70

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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.