Home / 53,154.46-73,353.76-29,280.64

Finding the Fourth Proportional to 53,154.46, 73,353.76 and 29,280.64

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Solution

The fourth proportional to 53,154.46, 73,353.76 and 29,280.64 is: 40,407.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,154.46 : 73,353.76 = 29,280.64 : x
  2. Step 2: Convert to fraction form
    53,154.46/73,353.76 = 29,280.64/x
  3. Step 3: Cross multiply
    53,154.46x = 73,353.76 × 29,280.64
  4. Step 4: Simplify right side
    53,154.46x = 2,147,845,039.21
  5. Step 5: Solve for x
    x = 2,147,845,039.21/53,154.46
  6. Step 6: Final answer
    x = 40,407.62

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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.