Home / 53,713.20-74,056.09-38,418.17

Finding the Fourth Proportional to 53,713.20, 74,056.09 and 38,418.17

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Solution

The fourth proportional to 53,713.20, 74,056.09 and 38,418.17 is: 52,968.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,713.20 : 74,056.09 = 38,418.17 : x
  2. Step 2: Convert to fraction form
    53,713.20/74,056.09 = 38,418.17/x
  3. Step 3: Cross multiply
    53,713.20x = 74,056.09 × 38,418.17
  4. Step 4: Simplify right side
    53,713.20x = 2,845,099,455.16
  5. Step 5: Solve for x
    x = 2,845,099,455.16/53,713.20
  6. Step 6: Final answer
    x = 52,968.35

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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.