Home / 52,311.07-72,195.33-31,090.15

Finding the Fourth Proportional to 52,311.07, 72,195.33 and 31,090.15

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Solution

The fourth proportional to 52,311.07, 72,195.33 and 31,090.15 is: 42,908.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,311.07 : 72,195.33 = 31,090.15 : x
  2. Step 2: Convert to fraction form
    52,311.07/72,195.33 = 31,090.15/x
  3. Step 3: Cross multiply
    52,311.07x = 72,195.33 × 31,090.15
  4. Step 4: Simplify right side
    52,311.07x = 2,244,563,639.00
  5. Step 5: Solve for x
    x = 2,244,563,639.00/52,311.07
  6. Step 6: Final answer
    x = 42,908.00

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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.