Home / 53,142.04-73,336.12-29,268.76

Finding the Fourth Proportional to 53,142.04, 73,336.12 and 29,268.76

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Solution

The fourth proportional to 53,142.04, 73,336.12 and 29,268.76 is: 40,390.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,142.04 : 73,336.12 = 29,268.76 : x
  2. Step 2: Convert to fraction form
    53,142.04/73,336.12 = 29,268.76/x
  3. Step 3: Cross multiply
    53,142.04x = 73,336.12 × 29,268.76
  4. Step 4: Simplify right side
    53,142.04x = 2,146,457,295.61
  5. Step 5: Solve for x
    x = 2,146,457,295.61/53,142.04
  6. Step 6: Final answer
    x = 40,390.95

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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.