Home / 52,343.21-72,209.81-31,110.41

Finding the Fourth Proportional to 52,343.21, 72,209.81 and 31,110.41

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Solution

The fourth proportional to 52,343.21, 72,209.81 and 31,110.41 is: 42,918.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,343.21 : 72,209.81 = 31,110.41 : x
  2. Step 2: Convert to fraction form
    52,343.21/72,209.81 = 31,110.41/x
  3. Step 3: Cross multiply
    52,343.21x = 72,209.81 × 31,110.41
  4. Step 4: Simplify right side
    52,343.21x = 2,246,476,639.57
  5. Step 5: Solve for x
    x = 2,246,476,639.57/52,343.21
  6. Step 6: Final answer
    x = 42,918.21

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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.