Home / 53,783.17-74,219.72-29,909.32

Finding the Fourth Proportional to 53,783.17, 74,219.72 and 29,909.32

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Solution

The fourth proportional to 53,783.17, 74,219.72 and 29,909.32 is: 41,274.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,783.17 : 74,219.72 = 29,909.32 : x
  2. Step 2: Convert to fraction form
    53,783.17/74,219.72 = 29,909.32/x
  3. Step 3: Cross multiply
    53,783.17x = 74,219.72 × 29,909.32
  4. Step 4: Simplify right side
    53,783.17x = 2,219,861,020.69
  5. Step 5: Solve for x
    x = 2,219,861,020.69/53,783.17
  6. Step 6: Final answer
    x = 41,274.27

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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.