Home / 56,907.50-78,518.56-36,480.23

Finding the Fourth Proportional to 56,907.50, 78,518.56 and 36,480.23

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Solution

The fourth proportional to 56,907.50, 78,518.56 and 36,480.23 is: 50,333.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,907.50 : 78,518.56 = 36,480.23 : x
  2. Step 2: Convert to fraction form
    56,907.50/78,518.56 = 36,480.23/x
  3. Step 3: Cross multiply
    56,907.50x = 78,518.56 × 36,480.23
  4. Step 4: Simplify right side
    56,907.50x = 2,864,374,644.28
  5. Step 5: Solve for x
    x = 2,864,374,644.28/56,907.50
  6. Step 6: Final answer
    x = 50,333.87

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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.