Home / 53,836.21-74,301.02-30,875.03

Finding the Fourth Proportional to 53,836.21, 74,301.02 and 30,875.03

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Solution

The fourth proportional to 53,836.21, 74,301.02 and 30,875.03 is: 42,611.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,836.21 : 74,301.02 = 30,875.03 : x
  2. Step 2: Convert to fraction form
    53,836.21/74,301.02 = 30,875.03/x
  3. Step 3: Cross multiply
    53,836.21x = 74,301.02 × 30,875.03
  4. Step 4: Simplify right side
    53,836.21x = 2,294,045,927.21
  5. Step 5: Solve for x
    x = 2,294,045,927.21/53,836.21
  6. Step 6: Final answer
    x = 42,611.58

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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.