Home / 53,091.36-73,264.20-29,217.40

Finding the Fourth Proportional to 53,091.36, 73,264.20 and 29,217.40

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Solution

The fourth proportional to 53,091.36, 73,264.20 and 29,217.40 is: 40,318.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,091.36 : 73,264.20 = 29,217.40 : x
  2. Step 2: Convert to fraction form
    53,091.36/73,264.20 = 29,217.40/x
  3. Step 3: Cross multiply
    53,091.36x = 73,264.20 × 29,217.40
  4. Step 4: Simplify right side
    53,091.36x = 2,140,589,437.08
  5. Step 5: Solve for x
    x = 2,140,589,437.08/53,091.36
  6. Step 6: Final answer
    x = 40,318.98

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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.