Home / 74,716.40-112,013.53-34,760.30

Finding the Fourth Proportional to 74,716.40, 112,013.53 and 34,760.30

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Solution

The fourth proportional to 74,716.40, 112,013.53 and 34,760.30 is: 52,112.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,716.40 : 112,013.53 = 34,760.30 : x
  2. Step 2: Convert to fraction form
    74,716.40/112,013.53 = 34,760.30/x
  3. Step 3: Cross multiply
    74,716.40x = 112,013.53 × 34,760.30
  4. Step 4: Simplify right side
    74,716.40x = 3,893,623,259.89
  5. Step 5: Solve for x
    x = 3,893,623,259.89/74,716.40
  6. Step 6: Final answer
    x = 52,112.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.