Home / 74,104.02-111,122.40-31,964.18

Finding the Fourth Proportional to 74,104.02, 111,122.40 and 31,964.18

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Solution

The fourth proportional to 74,104.02, 111,122.40 and 31,964.18 is: 47,931.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,104.02 : 111,122.40 = 31,964.18 : x
  2. Step 2: Convert to fraction form
    74,104.02/111,122.40 = 31,964.18/x
  3. Step 3: Cross multiply
    74,104.02x = 111,122.40 × 31,964.18
  4. Step 4: Simplify right side
    74,104.02x = 3,551,936,395.63
  5. Step 5: Solve for x
    x = 3,551,936,395.63/74,104.02
  6. Step 6: Final answer
    x = 47,931.76

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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.