Home / 52,208.27-72,014.64-30,972.50

Finding the Fourth Proportional to 52,208.27, 72,014.64 and 30,972.50

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Solution

The fourth proportional to 52,208.27, 72,014.64 and 30,972.50 is: 42,722.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,208.27 : 72,014.64 = 30,972.50 : x
  2. Step 2: Convert to fraction form
    52,208.27/72,014.64 = 30,972.50/x
  3. Step 3: Cross multiply
    52,208.27x = 72,014.64 × 30,972.50
  4. Step 4: Simplify right side
    52,208.27x = 2,230,473,437.40
  5. Step 5: Solve for x
    x = 2,230,473,437.40/52,208.27
  6. Step 6: Final answer
    x = 42,722.61

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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.