Home / 52,877.28-72,970.48-30,223.30

Finding the Fourth Proportional to 52,877.28, 72,970.48 and 30,223.30

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Solution

The fourth proportional to 52,877.28, 72,970.48 and 30,223.30 is: 41,708.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,877.28 : 72,970.48 = 30,223.30 : x
  2. Step 2: Convert to fraction form
    52,877.28/72,970.48 = 30,223.30/x
  3. Step 3: Cross multiply
    52,877.28x = 72,970.48 × 30,223.30
  4. Step 4: Simplify right side
    52,877.28x = 2,205,408,708.18
  5. Step 5: Solve for x
    x = 2,205,408,708.18/52,877.28
  6. Step 6: Final answer
    x = 41,708.06

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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.