Home / 52,866.95-72,949.65-30,207.40

Finding the Fourth Proportional to 52,866.95, 72,949.65 and 30,207.40

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Solution

The fourth proportional to 52,866.95, 72,949.65 and 30,207.40 is: 41,682.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,866.95 : 72,949.65 = 30,207.40 : x
  2. Step 2: Convert to fraction form
    52,866.95/72,949.65 = 30,207.40/x
  3. Step 3: Cross multiply
    52,866.95x = 72,949.65 × 30,207.40
  4. Step 4: Simplify right side
    52,866.95x = 2,203,618,961.76
  5. Step 5: Solve for x
    x = 2,203,618,961.76/52,866.95
  6. Step 6: Final answer
    x = 41,682.36

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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.